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inn [45]
3 years ago
10

Cytotoxic T cells can attack target cells with which of these chemical weapons?

Biology
1 answer:
kari74 [83]3 years ago
3 0

Answer:

D) secrete a cytokine that triggers apoptosis

Explanation:

Cytotoxic T cells also known as killer cells are lymphocytes that can kill  foreign cells (also cancer cells, damaged and infected cells). They express specific type of receptors called T-cell receptors (TCRs) which recognize antigen of foreign cells. Cytotoxic T cells release cytotoxins such as perforin and granzymes and their role is to trigger the signal cascade in the target cell that will lead to apopotsis.

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Zarrin [17]

Answer:

carbon cycle

Explanation:

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Carbon dioxide—\text {CO}_2CO  

2

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start text, C, O, end text, start subscript, 2, end subscript—from the atmosphere is taken up by photosynthetic organisms and used to make organic molecules, which travel through food chains. In the end, the carbon atoms are released as \text {CO}_2CO  

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4 0
3 years ago
Read 2 more answers
Which of the following functions does the myelin sheath perform for a nerve cell?
Ira Lisetskai [31]

Answer:

a. insulation  

Explanation:

The myelin sheath provides increased cell isolation (increased membrane resistance) because there are no membrane leakage channels in which there is myelin.

In addition to no membrane leakage channels, there is also virtually no type of membrane channel when there is myelin sheath (eg sodium and potassium pumps), which causes the cell a lower need for protein synthesis, or that is, less energy expenditure.

8 0
3 years ago
The_______is the source of all energy in our atmosphere​
swat32

Answer:

sun

Explanation:

it gives energy to all things. light energy.

3 0
3 years ago
Is composed of individuals who are separated geographically but linked by communications technology?
stealth61 [152]
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8 0
2 years ago
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Which organic molecule is pictured below?
Free_Kalibri [48]

your answer is option B hope ur help and mark me brainlist

6 0
2 years ago
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