Answer: Aircraft windows, medicines, and electronics
Explanation:
What is the term for an organisms ability to survive and reproduce?
A. Fitness
B. Environment
C. Selection
D. Population
Answer: the answer is fitness
Explanation:
Environment is where the organism lives
Population is the amount of organisms
So fitness, also called Darwinian Fitness, is the correct answer
Answer:
A) Fitness
Explanation:
A PEX
What must be transmitted to new dna strands during replication to maintain genetic information?
Answer: Individual sugars from existing DNA strands
Explanation:
DNA is composed of nucleotides, which itself consists of bases, sugar and phosphates. Each individual's DNA has about 3.4 billion nucleotide pairs
Which systems work together so oxygen can be distributed to the cells of your body? How do these two systems work together to accomplish this task?
Answer: The human respiratory and circulatory systems
Explanation: The human respiratory and circulatory systems work together to supply the body with oxygen and get rid of waste carbon dioxide. While the former deals with air and the latter with blood, they work together seamlessly by coordinating the functions of the many parts of each system.
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Answer:
The respiratory and circulatory systems work together to bring oxygen to the cells in the body. The respiratory system takes oxygen from the air to the lungs, where the oxygen is transferred to the blood. The circulatory system transports the blood, which delivers oxygen to the cells in the body.
Explanation:
Sample Answer
Emerging adults are typically financially independent from their parents.
Please select the best answer from the choices provided
True or false
Answer:
False
Explanation:
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Emerging adult are not typically financially independent from their parent. Thus, the given statement is false.
What is Financial independence?Financial independence is the status of having enough income or wealth sufficient to pay one's living expenses for the rest of their life without even having to be employed or dependent on other factors or resources. Income earned without having to work a job is commonly referred to as the passive income.
There are many benefits of the financial independence, including the increased control over their own life and time as well, the greater peace of mind, as well as more flexibility in pursuing the goals and dreams. One of the most important benefits of the financial independence is that this gives a greater control over their own life.
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The presence of more than two alternative forms of a given gene would be called ________. a.alternation of generations b.incomplete dominance c.hemizygosity d.codominance e.multiple alleles
the answer is d. multiple alleles
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The presence of more than two alternative forms of a given gene is called multiple alleles. This is seen in the ABO blood group system in humans, which also exemplifies codominance.
Explanation:The presence of more than two alternative forms of a given gene is referred to as multiple alleles. This term generally applies in genetics where, although an individual can have only two alleles for a specific gene (one from each parent), there may exist more than two alleles within a population. A common example of this is the ABO blood group system in humans.
The ABO blood group system exhibits both codominance and multiple alleles. In this system, there are three alleles: IA, IB, and i. Both IA and IB are dominant to i. However, neither one is dominant or recessive to the other. IA and IB are codominant. Hence, a person with an IAIB genotype will have type AB blood.
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¿Qué es la ósmosis? ¿Qué efectos osmóticos se producen cuando las células animales o vegetales se enfrentan con soluciones que tienen distinta osmolaridad?
Answer:
1 (english) -Osmosis is a physiological process where animal and plant organisms balance their aqueous internal environment. Osmosis is a spontaneous process of nature where there is a membrane and two compartments that present a difference in solute or concentration of solute between both compartments, this membrane that we name only allows the transfer of water, with which the water seeks and transfers this membrane from one side to the other, balancing the concentrations of both compartments and reaching equilibrium.
It is essential to clarify that the direction of the water flow will always be in the direction of the area with the highest concentration, that is, it passes from the compartment with the lowest concentration to the one with the highest concentration to dilute it.
In osmosis there is a phenomenon that occurs in this membrane by allowing the passage of water called osmotic pressure.
-
1 (spanish) - La osmosis es un procesos fisiologico donde los organismos animales y vegetales equilibran su medio interno acuoso. La osmosis es un proceso espontaneo de la naturaleza donde existe una membrana y dos compartimientos que presentan una diferencia de soluto o concentracion de soluto entre ambos compartimientos, esta membrana que nombramos solo permite el traspaso de agua, con lo cual el agua busca y traspasa esta membrana de un lado a otro equilibrando las concentraciones de ambos compartimientos y llegando al equilibrio.
Es fundamental aclarar que la direccion de corriente de agua siempre va a ser en direccion hacia la zona de mayor concentracion, o sea que pasa del compartimiento de menor concentracion a la de mayor concentracion para realizar la dilucion de esta.
En la osmosis hay un fenomeno que se produce en esta membrana al permitir el pasaje de agua que se llama presion osmotica.
-
2- (english)living organisms can face media with the same osmolarity (isosmolar) as their internal environment (in this way there is no water flow), or a hyposmolar medium (there is water flow into the living organism and in these cases the animal or vegetable usually accumulate liquid or edematize), and in hyperosmolar media (where the living organism dehydrates and loses liquid by donating water to the surrounding environment).
2-(spanish)los organismos vivos pueden enfrentarse frente a medios con la misma osmolaridad (isosmolar)que su medio interno ( de esta manera no hay flujo de agua), o a un medio hiposmolar (hay flujo de agua hacia el interior del organismo vivo y en estos casos el animal o el vegetal suele acumular liquido o edematizarse), y en un medios hiperosmolares (donde el organismo vivo se deshidrata y pierde liquido donandole agua al medio que lo rodea).
Explanation:
examples:
In the cases of hyperosmolar media and living organisms that dehydrate, a good example is when salt is thrown at slugs so that they go into osmotic shock and die, they donate all their internal liquid to the external environment to balance the medium.
In those cases where the medium is hyposmolar is when people become overhydrated and usually have swelling in the lower limb.
and lastly, in those isosmolar environments it is in animals that live in very salty waters to be able to subsist and maintain life, in this way their internal concentration is high and the same as the salty external environment generating balance, since if they would live in water sweet they will die for an explosion.
What type of organism did the enzyme taq polymerase come from?
Answer:
Taq polymerase comes from thermophilic bacterium.Explanation:
Taq polymerase is a heat-stable DNA polymerase , an enzyme, and it comes from the thermophilic bacterium, which inhabits hot springs and hot areas.
It was originally isolated from thermophilic bacterium and was named as Thermus aquaticus (T. aquaticus)
This enzyme is heat stable and do to denature easily.
Taq polymerase is very usefull in PCR. Through PCR we can make large number of DNA from a small sample in a very short time.
Any change in the normal nucleotide sequence that codes for an amino acid is called a
Answer:
mutation
Explanation:
I'm not sure, but it can be.
Any change in the normal nucleotide sequence that codes for an amino acid is called a - mutation.
Amino acids are composed of two functional groups the amnio group, and the carboxyl group. They join together to make a polypeptide chain resulting in the formation of a protein.
In a living cell, DNA is composed of four bases adenine (A), thymine(T), guanine (G), and cytosine (C), while in RNA, the T is replaced by uracil (U).DNA is transcribed to mRNA, and three bases in mRNA together form a codon.One amino acid is formed from one codon - for instance bases A, U, G form a codon AUG and encode methionine (amino acid).Therefore, if any change occurs in the normal base sequence of the DNA is considered as mutation (Point mutation)The mutation will be carried to its mRNA, leading to defective amnio acids.Sickle cell hemoglobin is one such exampleThus, any change in the normal nucleotide sequence that codes for an amino acid is called a - mutation.
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Which biological process helps detect changes in the environment and respond? While walking in your backyard barefoot, you step on a thorn from a rose plant. As a result, you immediately cry out in pain. The biological characteristic that you just demonstrated is .
Answer: Response to stimuli
Explanation:
I just responded to stimuli
1. The resistance of the body to a pathogen is
called
(1) immunity
(2) antigen
(3) cancer
(4) infection
inhibition is a mechanism of succession in which Group of answer choices the arrival of one species at a site affects the subsequent colonization of other species. one species decreases the probability that a second species will become established. one species increases the probability that a second species will become established. the probability that a species can become established depends on the presence of another species.
Answer:
option B: one species decreases the probability that a second species will become established
Explanation:
Inhibition as a mechanism of succession occurs when some early species which could also include pioneer species make the site less suitable for the development of other species and do not allow them to become established and grow. When eventually these early species die, other species that were hindered will subsequently grow and become established gradually giving rise to a climax community.
In which direction is air pressure exerted
Answer:
depends
Explanation:
Answer:
Air pressure is exerted in all directions.
Describe the three structural components of an RNA nucleotide monomer. Explain the role of RNA polymerase during transcription.
The structural components of an RNA and the role of the polymerase during transcription is explained below and the nucleotide is formed by the chemical substances and the polymerase plays a role in commencing to the gene expression.
Explanation:
1.Three structural components of an RNA nucleotide monomer:
A nucleotide is formed by the three unique chemical substances namely a 5-carbon sugar molecule, a nitrogenous base, and a phosphate group with all these three combinations the nucleotide is formed.2.The role of RNA polymerase during transcription:
RNA polymerase examines the method of transcription, through which the data collected in a molecule of DNA is drawn into a new molecule of messenger RNA. This transcription is the first round commencing to gene expression.RNA synthesis is provided out by proteins and that copies the genetic data from DNA in a very organized, multi-stage method
RNA or ribose nucleic acid is a single-stranded nucleotide, which is transcribed from the DNA. The structural components of RNA and the polymerase during transcription play a crucial role in commencing gene expression.
The functions are expressed as:
1. The three structural components of the RNA nucleotide monomer are four nitrogenous bases, a 5-carbon sugar, ribose, and phosphate group. These three components combine to form the nucleotide.
2. The role of RNA polymerase during transcription is that it examines the process of transcription, data drawn into the new molecule of messenger RNA.
Transcription is the first process in regulating gene expression, and RNA synthesis helps in the copying of genetic data from DNA to RNA.
Therefore, RNA is made up of three units, and polymerase regulates gene expression.
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During strictly anaerobic exercise, muscle cells preferentially: a. carboxylate pyruvate to oxaloacetate. b. oxidize pyruvate to acetyl-CoA. c. decarboxylate pyruvate to acetaldehyde. d. reduce pyruvate to lactate. e. none of the above.
Explanation:
(b) Oxidize pyruvate to acetyl-CoA.
The oxidative decarboxylation of Pyruvate to form Acetyl-CoA is the connection among Glycolysis and the Citric acid cycleIt is an irreversible oxidation process in which the carboxyl group is expelled from pyruvate as an atom of CO2 and the two residual carbons become the acetyl group of Acetyl-CoA Pyruvate can be changed over into sugars by means of gluconeogenesis, to unsaturated fats or energy through acetyl-CoA, to the amino acid alanine, and to ethanolThe separation of the sister chromatids occurs in:
la- anaphase I
b- metaphase I
c- anaphase I and anaphase II
d- mitotic anaphase and anaphase II
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Most of the Blackland Prairie ecoregion of Texas has been converted to farmland and ranches. Between crop harvests, some farmers grow a type of plant called a cover crop, while other farmers leave the fields bare. How do these practices affect the soil of the Blackland Prairie?
A. Planting a cover crop or leaving the ground bare are both practices that will completely prevent soil erosion.
B. Equal amounts of erosion by wind and runoff will occur on farms, regardless of whether cover crops are planted.
C. More erosion by wind and runoff will occur on farms with cover crops than on farms without cover crops.
D. Less erosion by wind and runoff will occur on farms with cover crops than on farms without cover crops.
Answer:
D. Less erosion by wind and runoff will occur on farms with cover crops than on farms without cover crops.
Explanation:
A cover crop is a crop planted to protect the soil from erosion, diseases, etc rather than to produce crop yield.
This type of crop has prevention of soil erosion on the farmland among one of its many functions. Other functions include increasing soil quality, suppress weeds, etc.
Cover crops prevent erosion by reducing the amount of water that is drained off a land because of its deep roots which enables water to be sieved from the ground. Their residue is left on the land to prevent excess water runoff, thereby protecting the land from erosion during heavy rainfall.
Some examples of cover crops are legumes and grasses.
Therefore, farmers in Blackland Prairie that leave their farms bare are more at risk of erosion than farmers that plant cover crops.
Answer:
D
Explanation:
When partially digested food enters the small intestine from the stomach, several events must occur to protect the intestine and allow for continued digestion. What intestinal hormone is particularly responsible for these functions, causing the pancreas to release digestive enzymes and the gallbladder to release bile salts into the intestine?
Explanation:
Gastrin is in the stomach and stimulates the gastric organs to emit hydrochloric acid and pepsinogen (a dormant type of the protein pepsin)The emission of gastrin is invigorated by nourishment showing up in the stomach.The emission is restrained by low pH The digestive system works intimately with the circulatory system to get the ingested supplements disseminated through your bodyWhile the stomach related system gathers and expels undigested solids, the excretory system channels mixes from the circulatory system and collects them in urineA 22-year-old female was ejected from her car after striking a tree head-on. As you approach her, you note obvious closed deformities to both of her femurs. She is not moving and does not appear to be conscious. You should:A. stabilize her head and perform a primary assessment.B. assess for a carotid pulse and assist her ventilations.C. apply manual stabilization to both of her femurs.D. administer oxygen and perform a rapid assessment.
Answer:
I am thinking it's either A or D
Answer:
A
Explanation:
If she flew out and hit her head then her head would be the main thing to make sure is ok before you try to do anything else the try to take care of her by any other assistance you can give her
Biological transmission differs from mechanical transmission in that biological transmission
Answer:
Biological transmission involves the reproduction or propagation of agent or pathogens within the arthropods vectors before transmission begins.while mechanical transmission involves just transfer of pathogens/agents from an infected host,to another suspectable host directly(direct mechanical transmission) or when anthropoids transmits pathogens obtained from from a contaminated source.(indirect mechanical transmission).
The two mechanisms represented mode of transmission of diseases.
The growth factor Superchick stimulates the proliferation of cultured chicken cells. The receptor that binds Superchick is a receptor tyrosine kinase (RTK), and many chicken tumor cell lines have mutations in the gene that encodes this receptor. For the following types of mutation, what would be the affect if any on cell proliferation?
(a) a mutation that prevents dimerization of the receptor
(b) a mutation that destroys the kinase activity of the receptor
(c) a mutation that inactivates the protein tyrosine phosphatase that normally removes the phosphates from tyrosines on the activated receptor
(d) a mutation that prevents the binding of the normal extracellular signal to the receptor
Answer:
Option C, a mutation that inactivates the protein tyrosine phosphatase that normally removes the phosphates from tyrosines on the activated receptor
Explanation:
Protein tyrosine phosphatases (PTP) causes dephosphorylation of protein due to which the pathways for signal transmission get terminated, growth of cell also get inhibited along with cell proliferation, and differentiation. Cell proliferation is a mechanism by which the number of cells increases in an organism. Also this mechanism keeps a balance between the cell divisions and cell loss.
Since this growth factor Superchick is stimulating the proliferation of cultured chicken cells by inhibiting the functioning of Protein tyrosine phosphatases due to which cell growth is not terminated and more cultured mutated cells are originating
Hence, option C is correct
What is NOT a way in which bacteria are beneficial to humans ?
Answer: Some bacteria are harmful to human body considering it can get you ill by killing cells in you body.
Can someone please do this for me will mark brainliest and thanks worth 50 points
Answer:
not so sure but i can try
Explanation:
11. look at problem 11. what if the mRNA has a frameshift mutation and lost the 3rd C in the second codon, whoa would the new mRNA strand be?
The new mRNA formed is AUG CCC UAU AUG GUA GAG UGU AG
Explanation:
Frameshift mutation is a condition when either a nucleotide is added or deleted and the code is no longer triplet codon. This change causes the shifting of the frame of DNA sequence and the coding of amino acid is affected because mRNA is transcribed according to the mutated DNA sequence.The different amino acid than expected is the outcome.
In the given mRNA strand:
mRNA : AUG CCC CUA UAU GGU AGA GUG UAG
the condition given is if frame shift mutation takes place in 3rd nucleotide in second codon, the third C is lost, the resulting mRNA is:
new mRNA formed is AUG CCC UAU AUG GUA GAG UGU AG
The sequence of amino acid will change and also there will be a loss of amino acid in the polypeptide as only 2 nucleotides in the triplet codon is there.
Mitosis produces cells that are ___________; meiosis produces cells that are ___________.
Answer:
a. diploid; haploid
Describe the role of Cyanobacteria in charging Earth's early atmosphere
Cyanobacteria, through photosynthesis, played a crucial role in transforming Earth's early anoxic atmosphere by producing oxygen. This led to the Great Oxygenation Event, which allowed for the evolution of aerobic organisms and ultimately paved the way for the diversity of life that we see today.
Explanation:Role of Cyanobacteria in Earth's Early AtmosphereThe role of cyanobacteria, often referred to as blue-green algae, was instrumental in transforming Earth's anoxic early atmosphere. These organisms are known for their ability to perform photosynthesis, a process that results in the production of oxygen. Initially, Earth's atmosphere had no molecular oxygen, and anaerobic organisms were the only forms of life able to survive. Cyanobacteria evolved from early phototrophs, and their emergence around 2.5 billion years ago sparked a significant change known as the Great Oxygenation Event.
Through their photosynthetic activities, cyanobacteria began releasing substantial amounts of oxygen into the atmosphere. This not only changed the atmospheric composition but also led to the first-known mass extinction, as many anaerobic organisms could not withstand the presence of oxygen. However, this event also paved the way for the evolution of aerobic life forms, including multicellular organisms, and the development of more efficient oxygen-utilizing catabolic pathways. The oxygenation also contributed to the formation of the ozone layer, which protects living organisms from harmful ultraviolet radiation.
Furthermore, the rise of cyanobacteria and the subsequent oxygenation of the atmosphere is thought to have been a driving force behind the evolution and increased colonization of land by more complex life forms. Hence, cyanobacteria played a crucial role in shaping Earth's atmosphere and the direction of evolutionary history on the planet.
Where oxygen is stored once it has diffused from the alveoli into the capillary
Answer:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
The oxygen once after diffusing from the alveoli into the capillary stores in the blood.
Exchange of gases:The movement of oxygen takes place across the paper-thin walls within the air sacs or the alveoli to the tiny blood vessels known as capillaries. This oxygen finally gets store within the blood. The hemoglobin present within the red blood cells then mediates the oxygen all over the body.
On the other hand, the carbon dioxide dissolved in the blood comes out of the capillaries back into the air sacs, and get breathe out. The blood containing fresh oxygen is mediated from the lungs to the heart's left side and get pumped around the body via the arteries.
Thus, oxygen is stored in the blood once it get diffused from the alveoli into the capillary.
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The drawer on a wooden jewelry box will not stay closed. A student wants to fix it with a small magnets and a thin iron plate. Can these materials be used to fix the problem?
NEED ANSWER ASAP
Answer:
Yes
Explanation:
Iron is Magnetic.
Which career in marine biology appeals to you the most? Explain the aspects of the job that you find appealing.
Answer:
The career in marine biology that appeals to me the most is aquatic science. Aquatic scientists use comparative studies, long term data, models, and theory to address a myriad of questions pertaining to water: water movement, water chemistry, aquatic organisms, aquatic ecosystems, movement of materials in and out of aquatic ecosystems, and the use of water by humans. This sounds very compelling to me.
The most appealing marine biology career to me is being a Field Biologist, which involves outdoor research, interaction with wildlife, and the opportunity to aid in conservation efforts, despite the challenges of the physically demanding and meticulous nature of the work.
Explanation:The career in marine biology that appeals to me the most is that of a Field Biologist. The aspects of the job that I find appealing include working outdoors in various environments, which can range from tropical reefs to the deep sea, being able to observe wildlife in its natural habitat, and the potential to contribute to the conservation of marine ecosystems. A field biologist typically concentrates on research focused on a specific species, group of organisms, or habitat. This allows for a deep understanding of ecological interactions and the development of strategies to protect marine biomes. One of the major challenges working in this field is the physical demands of the job, as well as the need for meticulous data collection and analysis, often under adverse weather conditions or in remote locations.
Leon asked Alicia to describe four things she did that morning. Alicia said that she rode her bicycle to school, spoke Spanish with her friend, jumped when the fire alarm sounded, and finished her science and math homework. What did Alicia do that was an instinctive behavior?