There are ________ common amino acids used to synthesize proteins.

A. 25
B. 64
C. 61
D. 20


Answer: D

Biology & Microbiology

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A researcher exposes a nonvirulent strain of Streptococcus pneumoniae to heat-killed cells of a virulent strain. After

exposure, the bacterial cells will be ____.

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The Calvin cycle requires all of the following molecules EXCEPT

a. NADPH. b. ATP. c. CO2. d. rubisco. e. glucose.

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In eukaryotic cells,

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Bioventing is a scientific technology that uses microorganisms to break down components of fuels in groundwater. Bioventing is an example of

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Biology & Microbiology