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Scorpion4ik [409]
2 years ago
14

Choose the true statement *

Biology
1 answer:
IrinaK [193]2 years ago
8 0

Answer:

1

Explanation:

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With advancing age, the lymphatic system ________.
Pepsi [2]

The right answer is D (less responsive to antigens)


It is proven that, after puberty, thymus activity (an organ that is included in the lymphatic system, producing T cells that pick up antigens) decreases and that in adult and aged people the thymus has no role. Work done in humans indicate that in fact the cellularity begins to decline from birth in favor of lymphocyte perivascular spaces and connective and adipose tissue, which leads to a decrease in the capture of antigens.

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3 years ago
Kendra is studying the energy pyramid shown. Which statement is supported by the energy pyramid?
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A. The ecosystem can support fewer foxes than grasshoppers.

Explanation:

Since the energy has to transfer from organism to organism, it reduces in amount. Since there are more grasshoppers than foxes, than the ecosystem can support grasshoppers easily.

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You learned about the aptly named enzyme Citrate Synthase. There are more enzymes that count citrate as substrate or product. Co
Lapatulllka [165]

Answer:

b) The hydrolysis of ATP helps "pay for the formation of a thioester involving CoA-SH.

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In the citrate cycle, we know that lysis is mediated by the hydrolysis of ATP, which is the fuel of the reaction, so the correct answer is B. The hydrolysis of ATP helps "pay for the formation of a thioester involving CoA-SH.

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3 years ago
Which of the following is an example of anaerobic respiration?
Rufina [12.5K]

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Option( B): Lactic acid building up causing sore muscles.

7 0
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If a chromosome fragment breaks off and then reattached to the original chromosome, but in the reverse direction, the resultant
MArishka [77]

Answer:

An inversion

Explanation:

An inversion occurs when a chromosome breaks in two places; the resulting piece of DNA is reversed and re-inserted into the chromosome. Genetic material may or may not be lost as a result of the chromosome breaks.

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