The primary immune response in the CNS comes from the action of

a. microglia.
b. astrocytes.
c. white blood cells.
d. oligodendroglia.


Answer: a. microglia.

Biology & Microbiology

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In multi-nucleate cells, which phase of the cell cycle is not utilized?

a. Mitosis b. Cytokinesis c. G1 d. G2

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A grassland biome

A. consists of mostly coniferous trees. B. has nutrient-rich soil. C. has a long growing season. D. is warm and dry. E. consists of moss and lichen.

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Which of the following events does NOT occur in

prophase II but does occur in prophase I? a. crossing over b. pairing of homologues c. spindle formation d. crossing over and pairing of homologues only e. crossing over, pairing of homologues, and spindle formation

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Drugs that are hepatotoxic cause damage to a patient's kidneys.

Answer the following statement true (T) or false (F)

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