Without _____, humans might have a tail
a. differentiation
b. epigenetics
c. cell migrations
d. apoptosis
e. the maternal gene effect
ANSWER: d
Biology & Microbiology
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a. bacteria. b. histamine. c. TCRs. d. MHC markers. e. all of these.
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The structures of the vertebrate lung through which gases are exchanged with the blood are the
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