In the early 1980s scientists were able to produce two biomolecules by splicing a human gene into the bacterium E. coli to make recombinant human insulin and growth hormone. Which statement best explains why this experiment was successful? A) Human cells are eukaryotic, and E. coli cells are prokaryotic. B) All living organisms share the same genome. C) The genes for all organisms are composed of the same building blocks. D) The human body contains many types of bacteria, including E. coli.

Answers

Answer 1

The correct answer is C. The genes for all organisms are composed of the same building blocks. This process of changing one or more characteristics of an organism by inserting genes from other organisms is known as genetic engineering. This technology has allowed humans to turn microorganisms and mammalian cells into factors.
DNA is the genetic materials of all organisms and is different for all individual creatures however all DNA is made up of the same basic molecules or base pairs.

Related Questions

Why do lipophilic hormones require carrier proteins while being transported in the blood?

Answers

Lipophilic hormones, intuitive as the name suggests, tend to dissolve well in lipids/fats than they do in water. Therefore lipophilic hormone does not dissolve well in blood plasma which would affect their diffusion. The carrier proteins are mainly the serum albumins.

Jupiter is 84% _______and______% helium

Answers

84% Hydrogen and 15%Helium

Jupiter is 84% Hydrogen and 16% helium.

A human cell placed into a hypertonic solution is likely to a human cell placed into a hypertonic solution is likely to

Answers

A human cell placed in hypertonic solution is likely to become desiccated. The hypertonic solution has a lower water potential than the cell due to its high number of solutes, so water moves out of the cell and into the surrounding solution by diffusion. (Movement of substances from an area of high concentration to an area of lower concentration).

Final answer:

In a hypertonic solution, where the concentration of solutes outside the cell is greater than inside, a cell will lose water and shrink. This occurs through the process of osmosis. This contrast with a hypotonic environment where cells absorb water and swell.

Explanation:

When a human cell is placed in a hypertonic solution, it is exposed to an external environment where the concentration of solutes is higher than inside the cell. In response to this, the water molecules within the cell will begin to diffuse out of the cell in a process called osmosis to balance the concentration of solutes. This outflow of water causes the cell to lose water and consequently shrink, a process known as plasmolysis.

In contrast, in a hypotonic environment where the concentration of solutes is lesser outside than inside the cell, water molecules move into the cell, causing it to swell. The aim in living systems is to maintain cells in an isotonic solution where the concentration of solutes outside and inside the cell is equal, preventing the cells from either shrinking or swelling.

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Why are infants and preschool-age children at higher risk for contracting a foodborne illness?

Answers

because they have not yet built up adequate immune systems.

Their bodies have not built up a strong immune system, making them more susceptible to illness

Which of the following is the best example of an organism maintaining homeostasis

Answers

Answer:

It is Drinking water.

Explanation:

Because homeostasis is when you body is hot it sweats to cool down, drinking water does the same thing.

Proprioceptive neuromuscular facilitation refers to a method of stretching that utilizes a passive stretch performed by a partner.
a. True
b. False

Answers

The correct answer is true.

Proprioceptive neuromuscular facilitation is a flexibility training technique facilitated by practitioners of rehabilitation medicine that involves the stretching and contraction of the concerned or affected muscle group. A partner is usually needed as an individual contracts the target muscle and the partner applies resistance to inhibit the individual's movement.

A purebred plant that has yellow flowers is crossed with a purebred plant that has white flowers. All the offspring have yellow flowers. Which conclusion about yellow flowers is supported by these results?

A:Yellow flower color is a dominant trait.
B:Yellow flower color is a recessive trait.
C:Yellow flower color is a hetero-zygous trait.
D:Yellow flower color is a mono-hybrid trait.

Answers

Answer: A Yellow flower is a dominant trait.According to Mendel's first law if a cross is made between two different characters then the dominant character will be the character of the offspring formed.Here when a yellow flowered plant is crossed with white flowered plant then the offspring had yellow colored flower because yellow color is a dominant trait.

A).Yellow flower color is a dominant trait is correct answer. This means yellow is expressed in the F1 generation despite the presence of an allele for white flowers.

The most accurate conclusion about yellow flower color is that it is a dominant trait, as supported by the results of crossing a purebred yellow-flowered plant with a purebred white-flowered plant, where all offspring displayed yellow flowers. According to Mendel's Principles of Dominance, a dominant trait will always manifest in the phenotype of the first generation (F1) in a monohybrid cross if it is present. Therefore, option A: Yellow flower color is a dominant trait is correct.

To understand this in detail:

Mendel's experiments showed that crossing two purebred plants, one with a dominant trait and one with a recessive trait, results in F1 generation hybrids that only display the dominant trait.The hidden or latent trait (white flower color in this case) is the recessive trait, which can reappear in subsequent generations if hybrids are crossed among themselves.

Hence, the yellow flower color trait dominates and masks the white flower color trait in the F1 generation.

6.2. males afflicted with kartagener's syndrome are sterile because of immotile sperm, and they tend to suffer from lung infections. this disorder has a genetic basis. suggest what the underlying defect might be.

Answers

i mean i feel as if the dad should know that because of the fact that its his sperm

Final answer:

Kartagener's syndrome likely involves a genetic defect affecting the structure or function of cilia, which can cause immotile sperm and frequent lung infections. The issue could be due to mutations in dynein, a protein essential for ciliary movement.

Explanation:

Kartagener's syndrome is a genetic disorder characterized by immotile sperm and frequent lung infections due to certain genetic defects. The underlying defect could be related to abnormalities in the structure or function of cilia. Cilia are hair-like structures that help with movement and the flow of mucus in various parts of the body, including the respiratory system and the reproductive tract. In males, cilia are present in the respiratory tract and are also key in helping sperm swim, making them essential for fertility. Immotility of sperm in Kartagener's syndrome suggests a link to defective cilia. This could be caused by a mutation affecting the proteins that make up the structure of cilia or affecting the motor proteins that enable cilia to move.

The genetic basis for this condition points to an inherited defect in dynein, a protein that powers the movement of cilia. Since the cilia are not moving properly, it can lead to a buildup of mucus in the lungs, leading to infections, and the immotility of sperm, leading to sterility.

terminal buttons are located on which part of a neuron?

Answers

at the end of the neuron.

When a sperm and an egg first unite a single new cell called a ____________ is formed?

Answers

In humans, the male gamete is called a sperm and the female gamete is called an egg. When the gametes join they form a cell called a zygote.

Hope this helps

3. The Peripheral Nervous System consists of what?
4. What is the difference between the somatic and autonomic nervous systems?
5. Draw a neuron and label the axon, dendrite and cell body.
6. Describe what roles the dendrites and axons play in a neuron’s transmission of impulses.
7. What are the three types of neurons?
8. What is the sequence of events when someone taps you on the shoulder? (5 steps)
9. What does the cerebrum enable us to do?
10. Compare and contrast the roles of the cerebellum and brain stem.

Answers

3. The peripheral nervous system together with the central nervous system are the two components of the nervous system. The peripheral nervous system includes the parts that are outside the brain and spinal cord, these are the cranial nerves, spinal nerves, and their roots and branches, peripheral nerves, and the neuromascular junctions.

4. The somatic nervous system is the part of the peripheral nervous system that is associated with the voluntary control of body movements through the skeletal muscles and mediation of involuntary reflex arcs. On the other hand the autonomic nervous system is the part of the peripheral nervous system that acts as an involuntary control systems b and controls visceral functions.

5. A neuron also called a nerve cell is an electrically excitable cell that receives, processes, and transmit information through electrical and chemical signals. It consists of Axon, Cell body, dendrite among other cell, as shown in the attached file.

6. Axon also the nerve fiber is a long, slender projection of a nerve cell, that conducts electrical impulses known as the action potentials, away from the cell body. It functions to transmit information to different neurons, muscles and glands. Dendrites (branch-like extensions) on the other hand are the chief sensors of a neuron, they receive the incoming signals or impulses and carry them toward the cell body. About 75% of the dendritic membranes play a vital role in synaptic transmission.

7. Nerve cells or neurons are functionally classified into sensory, motor neurons or inter-neurons (relay neurons). Sensory neurons are unipolar, bipolar, or multipolar shaped cells that conduct action potentials tward or into the central nervous system. Motor neurons are multipolar shaped cells that conduct impulses out of the CNS, and the inter-neurons are cells that link the sensory and motor neurons.

8. i) Receptors in the skin sense touch or other type os stimuli
ii) Sensory neurons conduct or transmit the impulses (the touch message) to the CNS
iii) Information is sorted and interpreted in the brain. A response is determined by interneurons.
iv) Motor neurons transmit the response message o the shoulder muscles.
v) The shoulder muscles are activated, causing the head to turn.

9. The cerebrum enable us to Control memory, intelligence and also muscles. Cerebrum is a large part of the brain containing the cerebral cortex, as well as several subcortical structures, including the hippocampus, basal ganglia, and the olfactory bulb.

10. The Cerebellum controls balance, posture and coordination , the cerebellum receives information from the sensory systems, the spinal cord, and other parts of the brain and then regulates motor movements such as posture, balance, coordination, and speech, resulting in smooth and balnced muscular activity. On the other hand, the Brainstem Controls involuntary activities such as breathing.

The two areas of the brain that are responsible for the initial storage of information are the ________ and the ________.

Answers

The two areas are the HIPPOCAMPUS and the AMYGDALA. Hope this helps!

The two areas of the brain that are responsible for the initial storage of information are the hippocampus and amygdala.

The input and processing of the initial information of the brain in the limbic system consists of amygdala, hippocampus and limbic cortex out of which hippocampus and amygdala are mainly responsible for the initial storage of information.

The amygdala is situated in anterior temporal lobe within uncus, making reciprocal connection with hippocampus, hypothalamus, orbital frontal cortex and brain stem etc. Stimulus responses are mediated by the amygdala.

The hippocampus is an area in cerebral cortex comprising of three layers and plays a critical role in short-term memory. The hypothalamus receives the inputs from hippocampus via fornix and amygdala via the amygdalofugal pathway and stria terminalis.

Consider the normal activation of the gene for polygalacturonase in model 3. what is the end result of activation of this gene

Answers

The end result of the activation of this gene is the softening of the fruit. The activation of this gene ends up in the production of a protein which is the enzyme polygalacturonase. This enzyme's activity is to degrade pectin, which is one of the polysaccharides responsible for forming and strengthening the cell walls of the plants. By activating this gene, more enzymes are produced, therefore, more pectin is destroyed. This causes the cells walls to weaken and the fruit to soften.

Insulin is needed to regulate sugar levels in the blood. while every cell in the body contains genes for the production of insulin, it is only produced by a specialized subset of cells in the pancreas. therefore:

Answers

Therefore; there should be mechanism of gene regulation that promote insulin expression in the specialized pancreatic cells and prevent insulin expression in all other cells. Regulation of gene expression includes a wide range of mechanism that are used by cells to increase or decrease the production of specific gene products and is informally termed gene regulation.

Which of the following apply to food webs? Select all that apply.

A.Food webs are a group of connected food chains.

B. Arrows in a food web go from the organism that is being eaten to the organism that is eating it.

C. Food webs show that animals only eat one type of food.

D. Arrows in a food web represent the flow of energy in a food web.

E. Food webs show all of the eating patterns in an ecosystem.

Answers

A
B
D
(Those are the only ones I know, tbh)
I hope this helped!

Answer:

Option A - Food webs are a group of connected food chains

Option B - Arrows in a food web go from the organism that is being eaten to the organism that is eating it.

Option D - Arrows in a food web represent the flow of energy in a food web.

Explanation:

A food web contain several food chain. Organisms with in one food chain are connected to the organisms of other food chain.

The arrows in a food chain represent the direction of flow of mass and energy. The face of the arrow points to the animal which is eating the animal located at the other end of arrow.

Hence, option A, B and D are correct.

Steroid hormones enter a cell by simple diffusion. in doing so, these steroids __________.

Answers

The answer is D: Do not initiate cell signaling by interacting with a receptor in the plasma membrane. Signaling molecules that are large and cannot diffuse through the pores of the cell membrane are the ones that initiate internal cell signaling cascade by binding to receptors on the cell membrane.

Final answer:

Steroid hormones enter a cell through simple diffusion, binding to intracellular receptors found either in the cytoplasm or within the nucleus. This triggers cell signaling pathways which directly influence gene expression, thereby controlling the levels of protein synthesis in the cell. As a result, steroid hormones can regulate specific cell processes.

Explanation:

Steroid hormones, derived from cholesterol, enter a cell through a process known as simple diffusion. These hormones are hydrophobic and are small enough to diffuse across the lipid bilayer of the cell's plasma membrane. Upon entering the cell, steroid hormones bind to intracellular receptors located in the cytoplasm or within the nucleus.

Following this, the hormone-receptor complex triggers cell signaling pathways, which in turn regulate specific genes on the cell's DNA. This hormone-driven gene regulation acts as a transcription regulator, affecting the synthesis of mRNA molecules of certain genes. This process alters gene expression, determining the quantity of corresponding protein that is synthesized within the cell.

The proteins thus synthesized can alter the cell's structural characteristics or enforce the production of enzymes that catalyze chemical reactions. Therefore, steroid hormones can regulate specific cell processes based on the quantity and functionality of the proteins they influence.

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Explain two ways in which genetic variation is preserved in a population

Answers

I believe this happens through Diploidy and Heterozygote advantange. During meiosis the cells produces gametes, or germ cells, each containing half the normal or somatic number of chromosomes a condition known as haploidy. When two gametes cells unite the diploid condition is restored. Heterezygote advantage involve maintenance of two alleles because heterozygote individuals are more fit and adaptable.

Final answer:

Genetic variation in a population is preserved through mutations, which are changes in the DNA sequence, and sexual reproduction, which combines genetic material from two parents to create diverse offspring.

Explanation:

Genetic variation is essential for the adaptability and survival of a population. Two main ways genetic variation is preserved within a population are through mutation and sexual reproduction. A mutation refers to a permanent change in the DNA sequence of an organism, and it can introduce new genetic material into a population. This new genetic material can result in individual organisms having differing traits, which can be critical for adaptation to the environment or changing conditions.

Sexual reproduction also significantly contributes to genetic diversity. Unlike asexual reproduction, which yields genetically identical offspring, sexual reproduction involves the combination of genetic material from two parents to produce genetically unique offspring. This mixing of alleles increases genetic variance within a population and contributes to a wider range of physical attributes or phenotypes, which can be beneficial for the survival of the species, especially in changing environments.

Overall, preserving genetic variation through these mechanisms is crucial for preventing inbreeding depression, ensuring a population's ability to adapt to new challenges and maintaining overall population health.

Concentrations are elevated by hot, sunny days: 2. increases exposure of organisms to ultraviolet light: 3. caused by halocarbons, such as chlorofluorocarbons (cfcs): 4. forms from emissions of sulfur dioxide: 5. montreal protocol aimed to reduce emissions that cause this: 6. a reaction between pollutants and atmospheric compounds that creates over 100 different chemicals: 7. leaches plant nutrients from soils: 8. most pronounced in cities prone to inversion events:

Answers

1. Concentrations are elevated by hot sunny days: photochemical smog.
A photochemical smog is a type of smog that occurs when sunlight in the atmosphere reacts with chemicals produced by the combustion of fossil fuels. This smog consists a pollutant and it is very common in large and densely populated cities. In hot sunny days, the ultraviolet light from the sun is at high levels, therefore, the photochemical smog is elevated.

2. The correct answer is stratospheric ozone depletion.
The Earth's stratosphere (which is one of the atmosphere's layers) has a layer with high ozone concentration, called ozone layer. The ozone layer absorbs most of the ultraviolet radiation that the Earth receives from the Sun. The ozone depletion is a term referring to the phenomenon of the gradual thinning of the ozone layer.

3. The correct answer is again ozone depletion.
The thinning of the ozone layer (as described above) is mainly caused by chemicals produced by the industry and other human activities. These chemicals belong to the category of ozone-depleting substances (ODS) and include halocarbon refrigerants, solvents and propellants. They are released from the surface of the Earth and transferred through the wind up to the stratosphere. When in the stratosphere, they undergo photolysis and release their halogen atoms. This, in turn, causes the breakdown of ozone into oxygen.

4. Acid deposition forms from emissions of sulfur dioxide.
Acid deposition is a term referring to the phenomena of acid rain, acid fog and acid mist. It is an environmental problem caused by the pollutants and gases from fossil fuel combustion and other human activities. In particular, power stations, house fires, car exhausts and melting processes emit sulfur dioxide which reacts with water molecules in the atmosphere and converses into sulfuric acid. This reaction lowers the pH of the rain, fog and mist and causes problems to the organisms and the infrastructure on Earth's surface.

5. Montreal protocol aimed to reduce emissions that cause the ozone depletion.
Montreal protocol is a protocol of the Vienna convention for the protection of the ozone layer and constitutes an international treaty. It controls the production, emission and consumption of the substances responsible for the ozone depletion (ODSs) on a global level. The implementation of this protocol resulted in a slow recovery of the ozone layer.

6. The correct answer is photochemical smog.
As described in question 1, the photochemical smog constitutes a mixture of several air pollutants. It is a product of the chemical reaction between the sunlight, nitrogen oxides and volatile organic compounds. The photochemical smog is a mixture of over 100 different chemicals, including nitrogen oxides, peroxyacetyl nitrate, tropospheric ozone and aldehydes.

7. Acid deposition leaches plant nutrients from the soil.
Acid deposition can cause soil acidification, a term referring to the pH of the soil becoming acidic. It has been observed that plants in areas where acid deposition is more common, grow more slowly or are unable to grow and die. This happens because the acid deposition releases toxic substances in the soil, such as aluminium. In addition, it happens because acid deposition removes minerals and nutrients from the soil and kills some of the microorganisms necessary for the plants to grow.

8. The correct answer is photochemical smog.
A temperature inversion is the reversal of the normal behaviour of the temperature above the surface of the Earth, meaning that temperature does not decrease with height as it is supposed to. These inversion effects reduce the atmospheric mixing and, in turn, reduce the dispersal of pollutants in the atmosphere. Therefore, this causes an increase in the concentration of pollutants and an increase in the production of photochemical smog.

Answer:

All of them is the correct answer trust in me

Explanation:

How do cells acquire positional information about their location in a developing embryo?

Answers

This is by extrinsic chemical signaling from other cells. This way the cells will determine their position in the body axes and also into which type of tissue, organ or structure that they should begin to differentiate. Extrinsic signals are also coupled with intrinsic signaling from mother cells to daughter cells in cell division.

What happens when people burn fossil fuels?

Phosphorus is removed from the atmosphere

Water is removed from the atmosphere

Nitrogen is removed from the atmosphere

Carbon dioxide is released into the atmosphere

Answers

The last one: Carbon dioxide is released into the atmosphere

im pretty sure its D.

Why does a cell carry out cellular respiration?

A.
to use up excess oxygen

B.
to consume water

C.
to produce ATP

D.
to deliver glucose to cells

Answers

[tex]heya \: friend \: \\ \\ - - - - - - - - - - \\ the \: answer \: is \: c \\ \\ to \: produce \: atp \\ \\ - - - - - - - - - - \\ \\ hope \: it \: helps \\ [/tex]

Answer:

C. to produce ATP

Explanation:

Answer from gradpoint

Which group of organisms is most closely related to archaebacteria) animalia
b.fungi
c.plantae
d.protista?

Answers

A distinct and diverse group of Protista is most closely related to archaebacteria for they are both single celled organism. Protista are broad group of eukaryotes that includes all eukaryotic organisms that are not plants, animals or fungi. Some scientists believe that eukaryotes descended directly from archaebacterial and a large number of protists live as parasites of animals and plants as archaebacteria do.

Budding is a form of asexual reproduction characterized by

Answers

unequal division of cytoplasm and equal division of genetic material.

Hope this helps!

The correct option for budding is C) Unequal division of cytoplasm and equal division of genetic material. Budding involves a bud forming on the original organism, getting equal genetic material but less cytoplasm before becoming independent.

Budding is a form of asexual reproduction in which:

An outgrowth (or bud) forms on the original organism.This outgrowth receives an equal amount of genetic material but an unequal amount of cytoplasm compared to the parent organism.The bud eventually separates from the parent to form an independent organism.

This process is common in some invertebrates, such as hydras and corals. In hydras, the bud develops into an adult and detaches from the main body, while in corals, the bud may remain attached and contribute to colony growth.

complete question:

Budding is a form of asexual reproduction characterized by

A)equal division of cytoplasm and equal division of genetic material

B) Unequal division of cytoplasm and unequal division of genetic material

C) Unequal division of Cytoplasm and equal division of genetic material

D) Equal division of cytoplasm and unequal division of genetic material

A ball is thrown vertically upward. what is its instantaneous speed at its maximum height?

Answers

The instantaneous speed that its maximum height is zero.The reason is that the ball can only have potential energy while it is ascending vertically upward at the top of the height where the ball was thrown the speed decreases until it reached the peak and turn the speed into zero. However, as the ball falls off the potential energy is turned into kinetic energy. This time the kinetic energy will give the ball an increasing speed downward.

Answer:

sorry if this is not clear This is the only way i can explain it

Explanation:

. The instantaneous speed of any projectile at its maximum height is zero

In labrador retrievers, a common breed of dog, black coat is dominant to chocolate, normal vision is dominant to progressive retinal atrophy (pra), and normal hip joint is dominant to hip dysplasia. all these genes assort independently. two dogs that are heterozygous for alleles of all three genes are crossed. using rules of probability (not a punnett square), what is the chance that the first pup born to these dogs will be chocolate, have normal vision, and have normal hip joints?

Answers

the data given regarding the alleles are as follows
black(B)-dominant , chocolate(b) - recessive
normal vision - dominant, progressive retinal atrophy - recessive
normal hip joint - dominant, hip dysplasia - recessive

lets first consider one trait
parents are heterozygous
when crossed Bb x Bb
offspring BB Bb Bb bb
--------black----- chocolate
the probability of dogs being black - 3/4
dogs being chocolate - 1/4
likewise for the other two traits
probability of normal vision - 3/4 and retinal atrophy - 1/4
probability of normal hip joint - 3/4 and hip dysplasia - 1/4

we have to calculate the probability of 1st pup being born is
chocolate - 1/4
normal vision - 3/4
normal hip - 3/4
since all these traits should be acquired the probability of having the above three traits is calculated by getting the product of individual probabilities
therefore answer is 1/4 x 3/4 x 3/4
probability = 9/64

Final answer:

The chance that the first puppy born to two heterozygous Labrador retrievers will be chocolate, have normal vision, and have normal hip joints is 3/32.

Explanation:

In labrador retrievers, the coat color, vision, and hip joint condition are controlled by independent genes with dominant and recessive alleles. A chocolate coat is the result of having two recessive alleles (bb) for the TYRP1 gene, which affects eumelanin production. Normal vision and normal hip joint condition are both dominant traits. When two dogs that are heterozygous for all three genes (BbPpHh) are crossed, the probability of a puppy being chocolate with normal vision and normal hip joints is calculated by multiplying the probability of each independent event.

For the coat color, the probability that the puppy will be chocolate (bb) is ¼ (the chance of inheriting a 'b' allele from each parent). For normal vision and hip joints, the probability is ¾ for each gene, as the puppy can be homozygous dominant (PP or HH) or heterozygous (Pp or Hh) and still exhibit normal traits. Therefore, the combined probability is calculated as ¼ (chocolate) x ¾ (normal vision) x ¾ (normal hip joints), which equals 3/32.

Dr. bronson treats anxiety disorders with xanax, which exemplifies ________ therapy.

Answers

Dr Bronson treats anxiety with disorders with Xanax, which exemplifies BIOMEDICAL therapy.
Biomedical therapy refers to those psychological interventions that focus on the reduction of symptoms, that are associated with a particular psychological condition. In biomedical therapy, three basic procedures are typically used, these are: drug therapies, shock treatment and psychosurgery.

Final answer:

Dr. Bronson's treatment of anxiety disorders with Xanax demonstrates the use of biomedical therapy. This type of therapy employs medications and medical procedures to attend to psychological disorders. It's commonly used alongside other psychotherapy approaches.

Explanation:

Dr. Bronson's use of Xanax to treat anxiety disorders is an example of biomedical therapy. Biomedical therapy involves utilizing medication and medical procedures to treat psychological disorders, such as anxiety. Treatment options vary based on the specific disorder and the individual patient's needs. In the case of anxiety disorders, medications like Xanax (belonging to the class of benzodiazepines) can be used to decrease excessive anxiety symptoms.

Xanax works by enhancing the effect of a neurotransmitter in the brain called gamma-aminobutyric acid (GABA), which reduces brain activity. This action can have a calming effect, thus relieving symptoms of anxiety. However, biomedical therapy is often most effective when combined with psychotherapy approaches, such as cognitive-behavioral therapy (CBT) or psychodynamic therapy, depending on individual case details.

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The table shows the relative size of the genomes (total DNA in the nucleus), number of genes, and number of chromosomes for a variety of different organisms. What is the relationship between the complexity of an organism and the number of chromosomes that it has? A) There is a strong tendency for advanced organisms to have more chromosomes. B) There is a strong tendency for advanced organisms to have fewer chromosomes. C) There is no relationship at all between the complexity of an organism and the number of chromosomes. D) There is a weak link between advanced organisms and more chromosomes, but some organisms do not follow this rule.

Answers

Answer:

Explanation:

There is a weak link between advanced organisms and more chromosomes, but some organisms do not follow this rule. The correct option is D.

What are chromosomes?

Chromosomes are thread-like structures that are found within the nucleus of animal and plant cells.

Protein and a single molecule of deoxyribonucleic acid make up each chromosome.

DNA, which is passed down from parents to offspring, contains the specific instructions that distinguish each type of living creature.

Chromosomes are the highest level of DNA and protein organization. The primary function of chromosomes is to transport DNA and genetic information from parents to offspring.

During cell division, chromosomes play an important role. They keep DNA from becoming tangled and damaged.

Although there is a weak link between advanced organisms and more chromosomes, some organisms defy this rule.

Thus, the correct option is D.

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A scientific theory can be defined as a well-supported and widely accepted explanation of nature. According to this definition, which statement describes a scientific theory. A) Matter is comprised of atoms. B) The Sun will rise tomorrow morning. C) The Sun will die in 7.5 billion years. D) The universe was created at the Big Bang.

Answers

It is d because big bang is well supported however c has some support but I would do d

Answer:

The universe was created at the Big Bang.

Explanation:

Which electromagnetic waves have the longest wavelengths?

Answers

It is kinda hard to answer without the answers, huh? Heres the possible answers for this Question!

radio

infrared

gamma

ultraviolet

(at least for my test, dont know about others)

Answer:

Explanation:

The answer is radio

The Cretaceous-Tertiary extinction was most likely caused by _____. an asteroid hitting the earth volcanism both a and b none of the above

Answers

I think the answer is an astroid hitting the earth.
Hope this helps.

The correct answer is option A, an asteroid hitting the earth

Reason -

The extinction event of Cretaceous is considered as a mass extinction process in which near about 3/4th of the species on planet earth became extinct. The researches conducted (found in geologic record) to study the cause of this massive extinction event, revealed presence of iridium metal on the Earth crust which is a rare metal and is usually found in the asteroids or comets. Thus, hitting of planet earth by the asteroids or comets can be considered as a cause of this massive extinction.

Other Questions

Henry's dog sparky has been rolling in the mud. henry must bathe sparky before the dog gets mud all over the carpet. however, henry is unable to find the plug for the tub. sitting on the counter right beside the tub is a fifty-cent piece. in his frustration, henry fails to see that the coin could be used as an emergency plug for the tub. what happened to henry? LL or Y? Rewrite the word below using the correct spelling. __uvia Let f(x)=x2+14x+48. What are the zeros of the function? Enter your answers in the boxes. Find the volume of the prism. 1,728 cu. in. 864 cu. in. 288 cu. in. As cars passed a checkpoint, the following speeds were clocked and recorded. Speed (mph): 55 62 61 54 68 72 59 61 70 What are the minimum, first quartile, median, third quartile, and maximum of the data set? Show your work. A. Review the metrical feet box on page 35 in your study guide and the model of a scanned poem on textbook page 42. Then scan the following lines from Mary, lady chudleigh's poem ' to the ladies". Mark the syllables separate the feet with short vertical lines, and indicate the rhyme scheme. B. What is the meter of these four line? Which is not a characteristic of a compound sentence?A. It is made of two simple sentences.B. It may contain a comma and a conjunction or a semicolon.C. It has two sets of subject and verb pairs.D. It is one simple sentence that has a compound subject and compound verb. Variations in infectious and chronic diseases from one country to another may be attributed to: What is one reason men have higher mortality rates than women? question 6 options:? Which statement best describes how this excerpt contrasts with the main idea in "Do not go gentle into that good night"? While the main idea in "Do not go gentle into that good night" is to accept death when it comes, the speaker in this excerpt urges his audience to fight for life. While the main idea in "Do not go gentle into that good night" is to fight death, the speaker in this excerpt claims that it does not matter whether a person lives or dies. While the main idea in "Do not go gentle into that good night" is to fear death, the main idea in the excerpt is that death is natural and should be embraced when the time comes. While the main idea in "Do not go gentle into that good night" is to live life to the fullest, the main idea in the excerpt is that all attempts to lead a meaningful life are futile. A rectangular prism has a length of 312 inches, a width of 5 inches, and a height of 112 inches. What is the volume of the prism? Enter your answer in the box as a simplified mixed number or a decimal. The _____ serves as a relay station between the hindbrain and the forebrain. What is the Spaulding Classification? A. Determines the level of disinfection or sterilization required for reusable medical devices B. Determines the level of disinfection or sterilization required for non-reusable medical devices C. Determines the level of decontamination required for reusable medical devices D. Determines the level of decontamination required for non-reusable medical devices which nation was interested in opening trade with China in early 1900'sa-the united states b-cubaC-China Why is this story told from Feld's point of view?A.to delay his realizationB.to emphasize his epiphanyC.to show the inner feelings of SobelD.to allow Feld to express his infatuation LM=7, LN=10, MN=5, What can you conclude about the angle measures He first three terms of a geometric sequence are as follows. 10 , 30 , 90 find the next two terms of this sequence.+ Hamlet resolves to kill King Claudius, but then he does not take advantage of an opportunity to do so. How does this show that Hamlet is a round character? He represents the concept of failure. He acts in contradictory ways. He has forgiven Claudius. He teaches the audience a moral lesson. When discussing the sequence of clot dissolution, the science instructor will talk about which item that begins the process? a. dabigatran b. platelets c. plasminogen d. 2-plasmin inhibitor? Need help on questions 1, and 2 please