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MAXImum [283]
3 years ago
11

Match the structural formula to the chemical formula for this substance,

Biology
1 answer:
blondinia [14]3 years ago
4 0
The answer is B. C2H60
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Receptors that provide animals with information from their internal environment are located in _____. A.the eyes and ears b.bloo
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Which one of the following statements holds true for the induced-fit model?
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5 0
3 years ago
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Once they have penetrated the first line of defense, which microorganisms do natural killer (nk) cells actively attack?
stellarik [79]

Once they have penetrated the first line of defense, NK cells are the principal defenders against only tumor cells or virally infected cells.

<h3>What are NK cells?</h3>

A particular class of immune cell that contains granules, or tiny particles, that contain enzymes that can destroy cancer cells or virus-infected cells. White blood cells, or NK cells, are one type of them. known as NK-LGL and natural killer cell, respectively.

Natural killer (NK) cells are effector lymphocytes of the innate immune system that regulate various tumour types and bacterial infections by preventing their growth and subsequent tissue damage.

Human NK cells are created from hematopoietic stem cells (HSCs), and as they transition from being CD56high to CD56low, KIRs, CD57, and NKG2C are expressed on terminally differentiated NK cells. During this time, NKG2A is gradually lost.

To learn more about NK cells visit:

brainly.com/question/12296567

#SPJ4

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