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Mariulka [41]
3 years ago
7

Human Immunodeficiency Virus (HIV) is a virus that infects (and destroys) Helper T Cells. As a result, people who are HIV+ gener

ally have a low number of these T Cells. How would a dramatic decrease in Helper T Cells affect a person’s immune response? Be specific using details from what you learned about the immune response.
Biology
1 answer:
Karolina [17]3 years ago
8 0
Because HIV infects and destroys Helper T Cells, you would end up with a very weak immune system because T Cells identify pathogens and fight them. Without them, we aren’t able to fight of pathogens, making the body vulnerable to disease, bacteria, and viruses.
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Which structure in female mammals produces milk to nourish young?
Mariulka [41]
C. Mammary gland. Hope this helps!
5 0
3 years ago
The molecule which transfers the information from the nucleus
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Answer: B) RNA

The mRNA is an RNA version of the gene that leaves the cell nucleus and moves to the cytoplasm where proteins are made.
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3 years ago
Identify the true statements regarding liver glycogen phosphorylase a. Protein phosphatase 1 is abbreviated PP1. The binding of
katrin2010 [14]

Answer:

Liver phosphorylase a concentration decreases when glucose enters the blood.

The binding of glucose to liver phosphorylase a shifts the equilibrium from the active form

As the concentration of phosphorylase a decreases, the activity of glycogen synthase increases. to the inactive form

Explanation:

Protein phosphatase 1 (PP1) is a phosphatase enzyme known to remove phosphate groups from serine/threonine amino acid residues. PP1 plays diverse biological roles including, among others, cell progression, control of glucose metabolism, muscle contraction, etc. In glucose metabolism, PP1 regulates diverse glycogen metabolizing enzymes (e.g., glycogen synthase, glycogen phosphorylase, etc). In the liver, glycogen phosphorylase catalyzes the rate-limiting step in glycogenolysis by releasing glucose-1-phosphate. Glycogen phosphorylase <em>a</em> is converted (and inactivated) into the <em>b</em> form by PP1, which catalyzes the hydrolysis of the phosphate bond between serine and the phosphoryl group. In the liver, glucose binds in order to inhibit glycogen phosphorylase <em>a</em>, thereby inducing the dissociation and activation of PP1 from glycogen phosphorylase <em>a</em>.  

5 0
3 years ago
Cual es el proceso que tiene el ADN en las diversas células existentes (procariota y eucariota).
lozanna [386]

Answer: English

A eukaryote contains a well-defined nucleus, whereas in prokaryotes, the chromosome lies in the cytoplasm in an area called the nucleoid. In eukaryotic cells, DNA and RNA synthesis occur in a separate compartment from protein synthesis. In prokaryotic cells, both processes occur together.

Explanation: Espanol (Spanish)

Un eucariota contiene un núcleo bien definido, mientras que en los procariotas, el cromosoma se encuentra en el citoplasma en un área llamada nucleoide. En las células eucariotas, la síntesis de ADN y ARN se produce en un compartimento separado de la síntesis de proteínas. En las células procariotas, ambos procesos ocurren juntos.

4 0
3 years ago
A stronger stimulus tends to result in a larger number of sensory receptors being activated. This mechanism is known as _______
mars1129 [50]

Answer:

spatial summation

5 0
3 years ago
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