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belka [17]
3 years ago
8

What condition might allow a contractile vacuole to pump more quickly or pump more slowly?

Biology
1 answer:
eimsori [14]3 years ago
6 0

In a hypotonic solution

Explanation:

Contractile vacuoles are used mainly by protozoans like an amoeba in osmoregulation. When the organism environment becomes hypotonic to the cell's cytoplasm, the contractile vacuole pumps more rapidly. This is because, in the hypotonic environment, more water is getting into the cell by osmosis. To maintain the right osmotic pressure in the cell more water is needed to be pumped out – this is a function of the organelle.

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slavikrds [6]

Answer:

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3 years ago
Select all statements that correctly describe hemoglobin and myoglobin structure. a.The heme prosthetic group is entirely buried
Anna007 [38]

Answer:

B, G , E, F.

Explanation:

Hemoglobin is known to be a tetrameric hemeprotein, which is found in the erythrocytes where it binds with oxygen,and then the bound oxygen is transported to parts of the body.

Myoglobin is a monomeric protein that is found in the muscle tissue. Its function is that, it serves as intracellular storage site for oxygen.

It should be understood that, both hemoglobin and myoglobin are hemeproteins with physiological importance of having the ability of binding molecular oxygen.

In this case, it is also known that, the two, that is hemoglobin and myoglobin have a prosthetic group called heme, which is described or known to be a tightly bond, specifically a non-polypeptide unit which is required for biological function of some protein.

7 0
3 years ago
Which sensory system does not route to the thalamus before going to the primary cortex?.
Katena32 [7]

Answer:

for smell

Explanation:

The only sensory information that is not relayed by the thalamus into the cerebral cortex is information related to smell (olfaction).

3 0
2 years ago
Which statement accurately describes the role of key organelles in energy transfer
Mila [183]

Answer:

<h2>Energy is captured and stored in the chloroplast and released in the mitochondria.</h2>

Explanation:

6 0
3 years ago
You there......................please help me answer this question right now :D 20 Points!!
Nimfa-mama [501]

Substitution Mutation - A mutation that exchanges one base for another. For this example substitute A with G which will result in this sequence:

GCTGGTCGGCTG

Deletion Mutation - A mutation in which a section of the DNA is cut or lost.

GCTAATCGGCTA -> GCTCGGTA; section AAT was deleted

Insertion Mutation - Extra base pairs are inserted into a new place within the DNA

GCTAATGCGCGGCTA - GCG was added after AAT

Hope this helps!

3 0
3 years ago
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