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skad [1K]
3 years ago
14

How do terrestrial animals excrete carbon dioxide? pls answer asap

Biology
1 answer:
balu736 [363]3 years ago
7 0

Sorry for the other guy. He was rude. Here's the answer:

Animals excrete CO2 by cellular respiration. Since any living things besides plants can't break down CO2, it just gets put back into the environment. I hope I helped you :)

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Meat is not a good source of protein because it does not provide the body with all the essential amino acids.
tankabanditka [31]

Answer: False.

Meat is a good source of protein. There are nine essential amino acids which are required under special conditions like illness.

These are-  Histidine, Leucine, Isoleucine, Valine, Threonine, Methionine, Lysine, Phenylalanine and Tryptophan. They cannot be synthesized by the body and therefore need to be taken from external protein sources.

Since meat contains all the essential amino acids, therefore it is considered as a good source of protein. Hence, the given statement is false.

3 0
3 years ago
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Describe how the output of the Krebs cycle can be modified in additional processes of the carbon cycle.
Murljashka [212]

Answer:

Step 1. A carboxyl group is removed from pyruvate, releasing a molecule of carbon dioxide into the surrounding medium. (Note: carbon dioxide is one carbon attached to two oxygen atoms and is one of the major end products of cellular respiration. ) The result of this step is a two-carbon hydroxyethyl group bound to the enzyme pyruvate dehydrogenase; the lost carbon dioxide is the first of the six carbons from the original glucose molecule to be removed. This step proceeds twice for every molecule of glucose metabolized (remember: there are two pyruvate molecules produced at the end of glycolysis); thus, two of the six carbons will have been removed at the end of both of these steps.

Step 2. The hydroxyethyl group is oxidized to an acetyl group, and the electrons are picked up by NAD+, forming NADH (the reduced form of NAD+). The high- energy electrons from NADH will be used later by the cell to generate ATP for energy.

Step 3. The enzyme-bound acetyl group is transferred to CoA, producing a molecule of acetyl CoA. This molecule of acetyl CoA is then further converted to be used in the next pathway of metabolism, the citric acid cycle.

4 0
3 years ago
If you were a very thirsty cell, which process would you use to take in some extracellular fluid
Diano4ka-milaya [45]

Answer:

receptor mediated endocytosis will be the answer..

Explanation:

8 0
3 years ago
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Mom has heterozygous Type B blood. Dad has heterozygous Type A blood. What is the probability of them having a child with Type O
True [87]

Answer: The answer is 50% percent

Explanation:

The parents type mixes and creates an O or a different blood type.

8 0
2 years ago
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wlad13 [49]

Answer:

1. A

2. A

3. i dont know

4. D

5. E

6. B

7. D

8. B

9. i think skin? i dont know

10. B

11. C

12. i dont know

13. A - i think

14. A

15. B

16.i dont know

17. A

18.D

19. D or C

20. C

3 0
3 years ago
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