17. how many amino acids do humans create within their bodies?
5
20
8
12

Answer:

Currents originating in low latitudes near the equator tend to carry warmer water. Currents originating in high latitudes near the north or south pole tend to carry colder water.

Explanation:

Brainiest please

Answer:When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP).

Explanation:

PRESS THE CROWN

When carbohydrate intake is low, ketone bodies are formed from acetate units to provide metabolic fuel for the brain and other tissues.

In the absence of sufficient carbohydrate intake, the body resorts to alternative metabolic pathways to meet its energy demands. One such pathway involves the formation of ketone bodies from acetate units. Acetate is derived from the breakdown of fatty acids in the liver. The primary ketone bodies produced are acetoacetate, beta-hydroxybutyrate, and acetone.

Ketone bodies serve as an important energy source, especially for the brain and other tissues, when glucose availability is limited. While most tissues can adapt to using fatty acids as an energy source, the brain has a limited ability to directly utilize fatty acids. Instead, it relies on glucose or ketone bodies as its main fuel. Ketone bodies cross the blood-brain barrier and can be converted back into acetyl-CoA, which enters the Krebs cycle to generate ATP, the body's main energy currency.

During periods of low carbohydrate intake, the liver increases the production of ketone bodies to provide an alternative energy source. This metabolic adaptation allows the body to preserve glucose for tissues that are dependent on it, such as red blood cells and certain parts of the kidney. Ketosis, the elevated presence of ketone bodies in the blood, is a physiological state that occurs during carbohydrate restriction or fasting and is an important mechanism for maintaining energy balance in the absence of carbohydrates.

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Okazaki fragments are the brief pieces of freshly created DNA that build up at 42 °C. DNA ligase, which typically connects them, most likely has decreased activity at 42°C in this mutant.

The cells would contain short DNA fragments if the ligase were not active because Okazaki fragments would not be linked during replication. DNA strands are cut in the center and at the ends, respectively, by endonucleases and exonucleases. They, like DNA polymerase, do not assemble fragments. The parental strands Okazaki fragments are "unzipped" by unwinding enzymes, and if they were malfunctioning, DNA synthesis would probably not take place at the non permissive temperature and small DNA fragments would not accumulate.

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Answer:

d. Spina bifida

Explanation: is correct

Answer:

Your answer would be A. GENES

Explanation:

The human DNA analyze is usually conclusive evidence about a crime, since each individual has their unique genetic code. Fritz results were inconclusive, therefore the sample did not showed a result corresponding to the one on the crime scene. In this case Fritz is not guilty of shoplifting.

Answer:

As children mature, it is natural for them to assert their independence, seek new challenges, and try taking risks. Underage drinking is a risk that attracts many adolescents. They may want to try alcohol but often do not fully recognize its effects on their health and behavior. Other reasons young people drink alcohol include: Peer pressure. Increased independence, or the desire for it. Stress. In addition, many youth have easy access to alcohol.

Explanation:

Answer:

1.Drunk Driving

2.Focus In school

3.Communication

4.Bad Memory

5.Slow Reaction Time

Explanation:

Answer:

The silkworm is the larva or caterpillar of a silk moth. It is an economically important insect, being a primary producer of silk. A silkworm's preferred food are white mulberry leaves, though they may eat other mulberry species and even the osage orange

the muscles and organs need a certain level of glucose in the blood to work properly. When the body is missing an enzyme or has a flawed enzyme and is not able to use glycogen the right way, it leads to a condition called glycogen storage disease (GSD). Many different enzymes are used by the body to process glycogen.

Answer:

Mother- XXH

Father- XHY

Explanation:

The mother is a carrier for hemophilia and since the disease is sex linked and found on the X chromosome, only one of the alleles has that H allele attached to it. The father is male so he only has one X chromosome, which is why he is effected by the disease and not just a carrier like the mother.

As a result, some protists may share a closer relationship with plants, animals, or fungi than they do with other protists.

Any eukaryotic organism (i.e., one whose cells include a cell nucleus) that is not an animal, plant, or fungus is referred to as a protist. Protists do not constitute a natural group, or clade, even though it is believed that they share a common ancestor with other eukaryotes (the last eukaryotic common ancestor).

As a result, some protists may share a closer relationship with plants, animals, or fungi than they do with other protists. However, the biological category protist is employed for practical reasons, much like the groupings of algae, invertebrates, and protozoans. Others define a protist as any unicellular eukaryotic microbe. Protistology is the study of protists.

Therefore, As a result, some protists may share a closer relationship with plants, animals, or fungi than they do with other protists.

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A student grabs a handout from the teacher and gets a painful paper cut. This sensation is a result of the activation of nociceptors, which are special sensory receptors found throughout the body.

These receptors are specifically designed to detect potential tissue-damaging stimuli, such as intense heat and pressure, and send signals to the brain so the body can respond appropriately. In this case, the paper cut has damaged the skin tissue and activated the nociceptors, leading to a painful sensation.

This sensation is further amplified by the neurochemical release of substance P, which is a neuropeptide that is released from the axon terminals of nociceptors and makes the pain sensation worse. As a result, the student is able to recognize the sensation of pain coming from the paper cut and take action to address it.

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Answer:

The green part because the chloroplast is there and chlorophyll is in the chloroplast that makes the leaf green, since it contains a green pigment. The chlorophyll takes in energy and then uses it to make glucose in the chlorophyll.

Explanation:

Swollen neck bacterial infection Wikipedia spread between people by direct contact or through the air. It may also be spread by contaminated food or water, insect bites, or exposure to infected animals.

What is a bacterial infection?

A bacterial infection is an infection caused by bacteria that multiply in your body. Bacterial infections can occur in many places in your body, including your lungs, throat, sinuses, ears, skin, and urinary tract. Some bacterial infections can spread between people through direct contact or through the air. They can also be spread by contaminated food or water, insect bites, or exposure to infected animals.A swollen neck is a symptom that can occur in several different conditions. The most common causes of a swollen neck are swollen lymph nodes or an enlarged thyroid gland. Swollen lymph nodes are often a sign of infection, inflammation, or cancer. An enlarged thyroid gland can be a sign of thyroid disease, such as hypothyroidism or hyperthyroidism. Other causes of a swollen neck can include a salivary gland infection, a dental infection, or a neck injury.

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Answer: Hiwydksmsjsjsmskakajsjsksksjsh

Explanation:

jhkoertjrkjgkrhgkrehkglretijgirorigjlrtjgjriko Thamk you

Answer:

Genetic drift decreases genetic diversity within a population.

Explanation:

Genetic drift decreases genetic diversity within a population. It is a change in allele frequencies due entirely to random chance and is more likely to affect smaller populations than large ones. Population bottlenecks can lead to genetic drift.

Plants employ the process of photosynthesis to transform water and carbon dioxide into carbohydrates and oxygen.

Light energy is absorbed by the plant during photosynthesis and transformed into chemical energy. The oxygen is released into the environment, while the water and carbon dioxide are disintegrated into their component elements.

In the plant, the sugars are kept for future use. It is possible to write the photosynthesis equation as follows:

Light energy + water + carbon dioxide →  sugars + oxygen.

Light energy → chemical energy can be used to describe the energy transformation equation.

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Answer:

A. algae->blackfly->freshwater shrimp->trout->bald eagle

Answer:

Bald eagles are carnivorous and eat mostly fish and other birds. Mammals make up a small percentage of their usual diet. Bald eagles have been studied to hunt and eat some 400 species, including some large animals like deer fawns. They're opportunistic predators and will eat both living animals and carrion

Explanation:

hope it will help you

Answer:

independent variable

Explanation:

The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called human chorionic gonadotropin (hCG).

Human chorionic gonadotropin (hCG) is a hormone that is produced by cells around the embryo, that is, trophoblastic cells that develop into the placenta, after fertilization. Its main function is to maintain the corpus luteum during the early stages of pregnancy. The corpus luteum is a temporary endocrine structure that develops after the release of an egg from the ovary, that is, after ovulation. It produces progesterone, which is essential for the maintenance of pregnancy in humans.

If an egg is fertilized by a sperm, the resulting embryo secretes hCG, which signals the corpus luteum to continue producing progesterone. This is necessary to prevent the lining of the uterus from shedding and to maintain the pregnancy. If the corpus luteum did not receive this signal, it would degenerate after about 12 days, and progesterone levels would decline. This would cause the lining of the uterus to be shed and menstruation to occur. The levels of hCG in a woman's blood and urine can be used to diagnose pregnancy. hCG levels rise rapidly in the first few weeks of pregnancy and can be detected by a blood or urine test. After about 10 weeks of pregnancy, hCG levels start to decline and eventually level off.

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When testing for starch within the potato and onion, the test tube containing potato turned purple while the test tube containing onion turned orange. This reaction can be explained by the fact that the amount of starch in the potato is higher than that in the onion.

As per the observation made, the test tube containing potato turned purple while the test tube containing onion turned orange. This shows that the potato contains a higher amount of starch than the onion. When iodine comes in contact with a starch molecule, it forms a blue-black complex.

As per the given observation, the potato had a higher starch content than the onion; hence it turned purple as it had more starch that reacted with the iodine. The onion, on the other hand, had less starch content, and this is why the reaction between the iodine and the onion was less intense, and it turned orange.

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Answer:

A,B,D

Explanation:

The following phyla contain animals that have bilateral symmetry is

A. Nematoda

B. Annelida

D. Arthropoda

Bilateral symmetry guides organisms with body forms that are mirror images along a midline named the sagittal plane. The internal organs, however, exist not necessarily distributed symmetrically.

A shape holds bilateral symmetry when it exists identical on both sides of a line drawn down the middle.

Animals with radial symmetry can be separated into two halves on any plane passing via the center of the axis, whereas, animals with bilateral symmetry can be separated into two halves, left and right in only one plane.

The following phyla contain animals that have bilateral symmetry is

A. Nematoda

B. Annelida

D. Arthropoda

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Answer: There are 20 different amino acids found in living organisms.

Explanation:

Answer:

ANSWER: C

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Allolactose acts as an inducer that binds to the operator, allowing E. coli to metabolise lactose, according to the scientific claim that is consistent with the information provided in figure 1. As a result, D is the correct answer.

lactose metabolism: It is also known as lactose degradation because it involves the breakdown of alpha lactose to constituent sugars, which produces energy.

The lac operon is regulated by a repressor protein and an activator protein (CAP) in response to the presence of lactose and glucose in the environment, as shown in the figure. Lactose is converted to allolactose, which binds to the repressor protein and prevents it from binding to the operator, allowing RNA polymerase to transcribe the lactose metabolism genes.

This process is known as induction, and it enables E. coli to use lactose as an energy source when glucose is not available. Therefore, the correct option is D.

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PROBABLE QOUESTION WOULD BE:

The question is incomplete, but most probably the complete question is,

Figure 1 represents a metabolic process involving the regulation of lactose metabolism by E. coli bacteria. Lactose is utilized for energy by E coll when glucose is not present. Allolactose is an isomer of lactose that is in the environment of these bacteria when lactose is present. The CAP site prevents the binding of RNA polymerase when glucose is present in the environment. The lacZ, lacY, and lac A genes code for proteins needed for lactose metabolism.

Which is the scientific claim that is consistent with the information provided in the figure 1.

a. The presence of excess lactose blocks the functioning of RNA polymerase in this operon.

b. When bound to the operator, the repressor protein prevents lactose metabolism in E. coli.

c. The binding of the repressor protein to the operator enables E. coli to metabolize lactose.

d. Allolactose acts as an inducer that binds to the operator, allowing E. coli to metabolize lactose.

Answer:

Iron, Magnesium, and Nitrogen