In a typical cycling mammalian cell, _______ of the cell cycle is spent in interphase.
a. 99%
b. 95%
c. 75%
d. 50%
Ans: b. 95%
Biology & Microbiology
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The major defining characteristics of arthropods are (select all that apply)
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The organ of Corti is a
a. chemoreceptor. b. mechanoreceptor. c. photoreceptor. d. nociceptor. e. osmoreceptor
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The genes of a single operon are all regulated by the same repressor, operator, and promoter.
Answer the following statement true (T) or false (F)
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It has been proposed that the first living organisms were:
a. heterotrophs. b. autotrophs. c. chemosynthetic. d. photosynthetic. e. multicellular.
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