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sladkih [1.3K]
3 years ago
6

When did they start putting nicotine in cigarettes?

Health
1 answer:
hjlf3 years ago
7 0
<span> in </span><span>1881. IS THE ANSWER TO THIS (:</span>
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What is another name for helper T cells:<br> Cops<br> B cells<br> Watch dogs<br> O Double T cells
tatyana61 [14]

Another name for helper T cells is CD4+ (now options are correct), it is due to the presence of specific cell surface receptors.

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

T cells are also called CD4- + positive cells have essential functions in the immune system by triggering adaptive immune responses.

These cells CD4- + positive cells contain specific cell surface receptors that can be identified by biochemical analyses.

In conclusion, another name for helper T cells is CD4+ (now options are correct), it is due to the presence of specific cell surface receptors.

Learn more about T cells or CD4+ cells here:

brainly.com/question/9875046

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2 years ago
In 2-3 sentences explain why is it important to do each step correctly when serving a volleyball?
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2 years ago
Fill in the blank with one of these words:
Nonamiya [84]

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3 years ago
Happiness:think of other words that might describe how you feel when u are happy
valina [46]

Glad, joyous, jocular, blithe, contented.

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Percent of Americans are not active at the recommended
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