The end product of a gene's expression blocks additional transcription of the gene. This is an example of:
A) positive control.
B) activation energy.
C) negative control.
D) mutation.
E) natural selection.
C) negative control.
Biology & Microbiology
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Microbial strains that can grow on minimal medium are called ________.
A. minitrophs B. autotrophs C. auxotrophs D. prototrophs
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a. true b. false
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