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Sophie [7]
3 years ago
5

Can someone tell me the answer to this?

Biology
1 answer:
Lady bird [3.3K]3 years ago
4 0
Strong and flexible I think
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Unlike T lymphocytes, B lymphocytes
suter [353]

The correct answer is (c) discover antigens in body fluids.

B lymphocytes act as antigen presenting cells that recognizes and displays the antigen to the white blood cells. These cells process the antigens that are present in body fluids. Professional antigen presenting cells includes B-lymphocytes, macrophages, dendritic cells, etc.





4 0
3 years ago
In what 2 ways are the organisms in the table similar to organisms in the plant kingdom?
masya89 [10]

Answer:

multicellular and eukaryotes.

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3 years ago
When NADH is the electron donor to the respiratory chain, 2.5 ATP are formed, but when FADH2 is the electron donor, only 1.5 ATP
Fofino [41]

Answer:NADH donates it electron to complex I a higher energy level than other complexes while FADH donates it electron to complex II a lower energy complex.

Explanation:

Both NADH and FADH are shuttle of high energy electrons originally extracted from food into the inner mitochondrial membrane.

NADH donate it electron to a flavoprotein consisting of FMN prosthetic group and an iron-sulphur protein in ETC complex-I. Two electrons and one hydrogen ion are are transferred from NADH to the flavin prosthetic group of the enzyme.

While the electrons from FADH2 enters the ETC (electron transport chain) at the level of co-enzyme Q (complex II). This step does not librate enough energy to act as a proton pump.

So NADH produces 2.5 ATP during the ETC and oxidative phosphorylation because it donates its electron to Complex I, which pump more electrons across the membrane than other complexes.

5 0
3 years ago
Read 2 more answers
Once the body has begun shivering, what happens to make it stop shivering?
masya89 [10]

Explanation:

The answer is A.

When the body temperature returns to normal,the respiratory system sends a message to the skeletal system to stop shivering.

4 0
3 years ago
Please help 20 points and brainliest.
Morgarella [4.7K]
What are the questions that go with the model?
4 0
2 years ago
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