The proteins and dna of organisms that share a recent common ancestor are more ____________________ than the proteins and dna of organisms that do not share a recent common ancestor.

Answers

Answer 1
similar is the answer


Related Questions

Which muscle do clients need proper extensibility of before performing the ball medicine ball (mb) pullover throw exercise, in order to decrease stress to the low back and shoulders?

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It is important to ensure that a client has proper extensibility of the latissimus dorsi muscle before performing the ball medicine ball (MB) pullover throw exercise to decrease stress to the low back and shoulders. These muscles connects the upper extremity to the vertebral column. They are responsible for extension, adduction, transverse extension also known as horizontal abduction, flexion from an extended position, and internal rotation of the shoulder joint. 

___________ is a drug that is regularly used in veterinary medicine.

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Ketamine is the drug regularly used in veterinary medicine.

Most irregular galaxies are thought to have formed _____. from nebulas that cooled very quickly right after the big bang from cosmic background radiation from collisions between other galaxies

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Most irregular galaxies are thought to have formed from collisions between other galaxies.

This is just one wat that irregular galaxies are formed; the collision is due to the interaction of their gravitational forces. These galaxies might have been regular before the collision, but are not deformed. 
Another form of irregular galaxies are the ones that are still very young and therefore have not yet reached their symmetrical state.
From collisions between other galaxies. 

True or false? plague is endemic in wild rodent populations in the southwestern united states.
a. True
b. False

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The plague is endemic in wild rodent populations in the southelwestern united states so it's true.

What are the two little black dots at one end of the planarian called? What do they do for this organism?

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Two little dots at the end of Planaria are called eye-spots.
Eye-spots (also known as ocelli) have a role in the vision of Planaria. The eye-spots have a possibility to detect the intensity of light and are used to move away from light sources.

Metaphase i is different because the ___ are lined up in the middle.

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Chromosomes are lined up in the middle

The food additive red dye no. 2 is known to cause cancer. as such, it is a __________.

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As such, it is a Carcinogen which is basically just a substance that is known to cause cancer.

Hope this helped :)

Menstrual flow results in the discharge of select one:
a. the follicle.
b. the corpus luteum.
c. the endometrial lining of the uterus.
d. surface cells from the vagina.
e. blood from the blood vessels on the outer surface of the uterus.

Answers

c. the endometrial lining of the uterus

Menstrual flow results in the discharge the endometrial lining of the uterus

Menstruation or menstrual cycle is a phenomenal occurrence in female humans. It occurs monthly for a certain period of the female's lifetime. Ideally, the ovary of a female produces one egg monthly.

In response to this, the uterine wall is lined by the help of hormones called estrogen and progesterone. This lining occurs in preparation of a fertilized egg, which will travel to the uterus and start developing as a fetus.

However, if fertilization (by a sperm cell) does not occur that month, the estrogen and progesterone levels start declining. This leads to the breakdown of the endometrial lining of the uterus and is discharged as blood via the vagina. This process is the result of menstrual flow.

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Once a substance is separated from the blood supply by the nephron, it is excreted in the urine. true

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it is true. hope this helps

Which letter indicates the cavity that contains the digestive organs?

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It is the abdominal cavity that contains the digestive organs.

reduction reactions during fatty acid synthesis utilize

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Reduction reactions during fatty acid synthesis utilize NADPH.
Fatty acids are synthesized by the repetition of the following reactions: condensation, reduction, dehydration, and reduction.
Synthesis takes place in the cytosol and the enzymes included synthesis in this process are joined in a protein fatty acid synthase. During the process, the growing fatty acid chain is elongated by the sequential addition of two-carbon units derived from acetyl CoA. The reductant is NADPH.
Final answer:

During fatty acid synthesis, reduction reactions primarily utilize NADPH and ATP. Fatty acids are converted into fatty acyl CoA, transported into the mitochondria as fatty acyl carnitine, and then converted to acetyl CoA to enter the Krebs cycle for energy production.

Explanation:

Reduction reactions during fatty acid synthesis primarily utilize nicotinamide adenine dinucleotide phosphate (NADPH) and ATP. During the process of fatty acid synthesis, fatty acids are converted into fatty acyl CoA molecules in the cytoplasm. These fatty acyl CoA molecules combine with carnitine to form fatty acyl carnitine. This molecule is transported across the mitochondrial membrane, where it is then converted back into fatty acyl CoA and eventually into acetyl CoA. Acetyl CoA then enters the Krebs cycle, where it is used to produce energy or ATP.

Furthermore, when glucose levels are low, the body can break down triglycerides into 2C acetyl groups through the process of fatty acid oxidation. In this way, they are used as an energy source. The process of converting a fatty acid to fatty acyl carnitine is important as it allows for transport through the mitochondrial membranes.

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Morgan breeds and sells snakes. he knows that he can make the most money by breeding and selling albino snakes. albinism is a recessive trait. his female albino corn snake just produced six offspring. two displayed normal coloration and four were albino. what do you know about the genotype of the baby snakes with the normal coloration?
a. they must be homozygous dominant.
b. they must be homozygous recessive.
c. they must be heterozygous.
d. they could be either heterozygous or homozygous dominant.
e. there is not enough information to determine their genotype but we know that they must carry the dominant allele.

Answers

i want to say e but it may not be right

Based on the given information, we can determine that the genotype of the baby snakes with normal coloration could be either heterozygous or homozygous dominant (option D).

What is albinism?

Albinism is a genetic condition characterized by a lack or reduction of pigmentation in the skin, hair, and eyes. It is caused by a mutation in one or more genes that are responsible for the production of melanin, the pigment that gives color to our skin, hair, and eyes.

This mutation disrupts the normal production or distribution of melanin, resulting in a range of symptoms including very light or white hair, pale skin, and light-colored or pinkish eyes. People with albinism are often more sensitive to sunlight and have a higher risk of sunburn and vision problems. Albinism can occur in humans as well as in animals across various species.

Since four of the offspring were albino, it can be inferred that the female albino corn snake is homozygous recessive (aa) for the albinism trait.

Since the female snake produced offspring with normal coloration, it means that she must carry the dominant allele for coloration. The normal-colored baby snakes could have inherited either a dominant allele from the mother (Aa) or two dominant alleles (AA) if the mother is homozygous dominant. Therefore, the normal-colored baby snakes could be either heterozygous (Aa) or homozygous dominant (AA).

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Is a period characterized by rapid physical growth and sexual maturation?

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If you mean physically then yes, but more complicated and chemical processes happen inside a woman's body during a "period".

Hope it helped!

Observe the life cycle of an insect called the rhino beetle. As a group, what are the three stages between the egg stage and the pupa stage called?

Answers

One is the larva, hope this helps

Answer:

Larva

Explanation:

After mating, female rhino beetle lay 50-100 eggs. On hatching, the eggs metamorphosed into larval or grub stage. This stage actually includes three sub-stages called instar. Instar stage referred to as L1, L2 and L3. During these sub-stages, larvae undergoes molting, it grows looks like maggots or larvae of other insects.

The specific chamber of the heart that is indicated by letter a is called the __________.

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That would be the right atrium.

Hope that helps:)

Describe the process of crossing over during prophase i and explain how genetic recombination occurs.

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this is when crossing over occurs which is the exchange of genetic material across the synapse between either homologous chromosome.

I'm not quite sure which is the right answer and I wanted to get a seconed opinion. Does anyone know the answer?

How is the global human population projected to change in the next 40 years?

A) decrease exponentially

B) increase exponentially

C) stop increasing

D) begin increasing

Answers

B. Increase exponentially

Attached earlobes are recessive to free earlobes. what is the probability of having a child with attached earlobes when an individual with attached earlobes mates with an individual heterozygous for free earlobes? attached earlobes are recessive to free earlobes. what is the probability of having a child with attached earlobes when an individual with attached earlobes mates with an individual heterozygous for free earlobes? 25% 0% 50% 75%

Answers

I believe that the probability of having an individual with attached earlobes will be 50%. Since the attached earlobes is recessive then its genotype will be (ee), for the unattached ear lobes the genotype will be EE, Ee. Therefore, mating between an individual with attached ear lobes (ee) and one with unattached ear lobes, heterozygous, Ee,  the offspring will be; Ee, Ee, ee, or ee. Therefore; half of the offspring will have unattached ear lones (heterozygous) while another half will have attached ear lobes. 
Final answer:

The probability that a child of an individual with attached earlobes ('ff') and a heterozygous individual with free earlobes ('Ff') will have attached earlobes is 50%.

Explanation:

The probability of having a child with attached earlobes when an individual with attached earlobes mates with an individual heterozygous for free earlobes can be calculated using Punnett squares. Since attached earlobes are a recessive trait, a person with attached earlobes has the genotype 'ff'. A heterozygous person with free earlobes has the genotype 'Ff'. When we cross these genotypes (ff x Ff), the possible genotypes for the offspring are Ff (free earlobe) and ff (attached earlobe).

The Punnett square for this cross would show that there is a 50% chance (2 out of 4) for the offspring to inherit the genotype 'ff' and therefore have attached earlobes. The other 50% would inherit the genotype 'Ff' and express the dominant trait of free earlobes.

Therefore, the correct answer is that there is a 50% chance for the child to have attached earlobes.

What are the two networks of tubes in vascular plants called?

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Xylem and phloem are the two networks of tubes in vascular plants.
Hope I helped :)

All the structures in order through which air passes as it is inhaled through the nares

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Nostrils- Nasal chambers - Internal nares - Laryngopharynx - Larynx - Trachea - Primary bronchi - Diaphram - Lungs- Bronchial intercom - Alveoli.
I hope it helped u..!!

Why might the cellular response to a peptide hormone be expected to be rapid compared to the cellular response to a steroid hormone? see section 46.2 (page 967) ?

Answers

I think this is because peptide hormones are made in advance and stored in secretory vesicles while steroid hormones are synthesized on demand on precursors, thus the response of peptide hormones will be more rapid. Additionally the receptors for peptides are on the cell membrane while those for steroid hormones are located on cytoplasm or nucleus, some have receptors on the membrane also. 

What substances move freely through the shell of the egg?

Answers

chorion, amnion, & alantosis

The correct answer is gases oxygen and carbon dioxide, which diffuse freely across the shell of an egg.  

The four specialized membranes of the amniotic egg are amnion, chorion, yolk sac, and allantois. The chorion and the allantois exchange gases between the embryo and the air. Oxygen and carbon dioxide diffuse freely across the shell.  

An eggshell refers to the outer covering of a hard-shelled egg and of some kinds of eggs with soft outer coats. The shells of the amniotic eggs are calcareous, formed of calcium carbonate.  


Which of the following structures are found in gymnosperms but not in angiosperms

Answers

Answer:

Complete Question: Which of the following structures are found in gymnosperms but not in angiosperms? A. Flowers B. Pollen C. Cones D. Seeds

Answer: C

Explanation:

Both found in plant organisms. Gymnosperms are the type of plants that have seed that do not flower, whereas angiosperms are the opposite they produce seeds that flower. the seeds in gymnosperms are naked, and the seeds on angiosperms are covered.

The seeds of gymnosperms are found in cones, scales and leaves, and the seeds of angiosperms are found in the ovaries.

Which would be warmer, the water in the surface zone of the ocean 200 miles north of the equator, or 2,000 miles north of the equator? Explain why.

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the water would be warmer 200 miles north of the equator than it would be 2000 north of the equator, because the closer you are to the equator the more sun light you get.

a limiting factor is always abiotic true or false

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Answer:  "False" .  A "limiting factor" can be "biotic" as well as "abiotic".
__________________________________________________________

bio help! will mark brainliest
which of the following is an example of prezygotic isolating mechanisms?

a. two strains of rice produce a hybrid, which can produce fertile offspring, but its offspring is small and sterile.

b. a horse and a donkey may interbreed, but the offspring, a mule, is not fertile.

c. the sperm of species A dies when It comes in contact with the female reproductive tract of species B.

d. two salamander species mate, but the offspring does not complete development and dies.

I think its b, but I'm not too good with stuff like this. So I thought I'd get a second opinion (and an explanation?). thank you tons!

Answers

Hi there!

A prezygotic isolating mechanism is a mechanism that causes something to happen, not allowing the organisms to breed before fertilization. I'll explain each one for you.

A - That is postzygotic because the organisms were not stopped before fertilization. The result is a sterile organism.
B - Again, that is postzygotic because the organism was produced. 
C - This is prezygotic! The sperm dying shows that something is in action to prevent fertilization, meaning that it cannot happen.
D - Fertilization was successful, so it is postzygotic.

ANSWER:
C - the sperm dies when it reaches the female tract

If you need help with any more problems, feel free to message me and I'd be more than happy to help you work through them and provide explanations.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
Hey there! 

I think it's C, if you need anything feel free too ask. I would love too help! <3


A homoplasmic cell carries
a. a mixture of organelle genomes.
b. only one type of organelle dna.
c. only one mitochondrion.
d. two identical nuclei.
e. only linear chromosomes.

Answers

I don't know the answer i am so sorry.
Final answer:

A homoplasmic cell carries only one type of organelle DNA, referring specifically to the genetic makeup of the mitochondria within the eukaryotic cells.(Option B)

Explanation:

A homoplasmic cell refers to one in which all of the cell's mitochondria contain the same genetic makeup. Mitochondria are the energy-producing organelles in eukaryotic cells and they contain their own small circular DNA (mtDNA). Therefore, homoplasmic cells carry only one type of organelle DNA in all their mitochondria.

These mitochondria are passed from the mother to the offspring and are not mixed with paternal mitochondria, ensuring that the mtDNA is nearly identical across all mitochondria within an individual. It's important to note that having a homoplasmic cell does not pertain to the number of mitochondria, chromosome structure, or nuclear constitution within the cell.

The correct answer to the question 'A homoplasmic cell carries' is b. only one type of organelle DNA.

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The blood vessels that carry blood away from the heart are the: select one:
a. veins
b. venules
c. arteries
d. capillaries

Answers

The blood vessels that carry blood away from the heart are arteries. 



Hope this helps.

Identify the pair of homologous structures. identify the pair of homologous structures. maple leaf and maple seed maple leaf and oak leaf neither of the above; plants do not have homologous structures.

Answers

I believe that a pair of homologous structures in this case is; Maple leaf and oak leaf. Homologous structures that have similar ancestries and common traits, however they may not have the same function in an organism. They appear in different animals or organisms, underlining anatomical commonalities demonstrating a descent from a common ancestor. Examples include the arm of a human, the wing of a bird or a bat, the leg of a dog and the flipper of a dolphin or whale.

Maple and oak share the same ancestors, therefore, The answer to the above question is maple leaf and oak leaf.

Homologous structures are those structures which have the same line of structure but have different function. They are distinctly modified to perform specific tasks. Homologous structure have a common ancestor, or else there will be no similarity in their structures. An example of homologous structure is a Human hand and a bat wing, which are identical but have been adapted to serve different function in different species. Forelimbs of amphibian, reptilians and mammalian are examples of homologous structures.

Henceforth, the looking at the similarities' maple leaf and oak leaf are homologous structures.

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Compounds that inhibit receptors by preventing the natural messenger from binding are known as

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Compounds that inhibit receptors by preventing the natural messenger from binding are known as antagonist.    

 Antagonists are molecules that will block the binding of the natural messenger at a receptor molecule. As a result, the signal which is usually produced by a receptor-messenger coupling will be inhibited. An antagonist can be a drug that blocks a biological response by binding to and blocking a receptor.
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