IL-2, produced by TH cells,

A) activates macrophages.
B) stimulates TH cell maturation.
C) causes phagocytosis.
D) activates antigen-presenting cells.
E) activates TC cells to CTLs.


B

Biology & Microbiology

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Population genetics is the study of:

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What is the relative biological fitness of an individual who is heterozygous for sickle-cell disease who lives in central Illinois vs. an individual who is heterozygous and lives in South Africa?

What will be an ideal response?

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