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:
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Answer:A
Reason bc second hand smoke is real and the want less people to smoke
Answer:
c
Explanation:
A, B, and D, are entities that are designed to protect the environment from pollution
C, on the other hand is only about noise control