A cytotoxic T cell (CTL) differs from a natural killer cell in that the CTL is _______ specific and _________ memory cells.

A. less/produces
B. less/does not produce
C. more/produces
D. more/does not produce


Answer: D. more/does not produce

Biology & Microbiology

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One characteristic of New World monkeys that separates them from Old World monkeys is:

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