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Indicate Whether Each of the Following Statements Is True (T)or

Question 44

Matching

Indicate whether each of the following statements is true (T)or false (F). ___

Premises:
The CD45RA isoform is associated with stronger signals in response to antigen.
Naive B cells are more sensitive to specific antigen than are memory B cells because they express higher levels of co-stimulatory molecules.
Memory T cells can persist in the absence of antigen.
T-cell survival is dependent on the cytokines IL-7 and IL-15.
Responses:
False
True

Correct Answer:

The CD45RA isoform is associated with stronger signals in response to antigen.
Naive B cells are more sensitive to specific antigen than are memory B cells because they express higher levels of co-stimulatory molecules.
Memory T cells can persist in the absence of antigen.
T-cell survival is dependent on the cytokines IL-7 and IL-15.
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