In prokaryotes, control of gene expression is mainly at the level of ____.
A. transcription
B. transcript processing
C. transport
D. translation
E. post-translation
Answer: A
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Microbial growth on the two-carbon acetate substrate invokes
A) the citric acid cycle for aerobic catabolism. B) both the citric acid and glyoxylate pathways. C) the glyoxylate pathway. D) the glyoxylate and glycolysis pathways.
Peptone
A. refers to a hydrolysate of carbohydrates used in growth media. B. refers to a hydrolysate of proteins used in growth media. C. consists of a water extract of beef. D. consists of a mix of monosaccharides and oligosaccharides. E. refers to a hydrolysate of proteins used in growth media AND consists of a water extract of beef.
The introduction of Kudzu was inadvertent
a. True b. False
Color vision begins with stimulation of _____
a. hair cells c. cone cells b. rod cells d. neuroglia