Which of the following statements about protein synthesis and regulation of genes is CORRECT?
A) Transcription and translation require an energy input.
B) Protein modification is the most common means for the control of gene expression.
C) All cells can induce or repress genes in response to environmental cues.
D) Bacteria continuously manufacture a set of enzymes such that they can utilise most commonly found substrates.
E) mRNA is produced at a constant rate.
Correct Answer:
Verified
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A) can only occur
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