Stem cells divide and become immunocompetent.


Ans: Red bone marrow and thymus

Biology & Microbiology

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One hypothesis about the decline in cell numbers during death phase is that the cells aren't all dying but instead remain alive but unable to grow when cultured, at least temporarily. These are known as

A. death phase cells. B. ghost cells. C. programmed death cells. D. viable but nonculturable cells.

Biology & Microbiology

The inhibitory affects of exposure to far-red light are permanent

A. true B. false

Biology & Microbiology

Because of their great elasticity, which of the following can function as blood volume reservoirs

during times of low metabolic output? a. veins and venules b. arteries c. arterioles d. capillaries e. metarterioles

Biology & Microbiology

Which of the following is the phase of maximum physical sensation?

a. orgasm b. stimulation c. resolution d. plateau e. sexual excitement

Biology & Microbiology