Which statement best describes the mechanism(s) of posttranslational regulation of gene expression?
A) Allosteric regulation following transcription of mRNA occurs in many biosynthetic pathways.
B) Protein synthesis is often repressed by feedback or noncompetitive inhibition.
C) Covalent modification of newly synthesized proteins generally has no marked effect on protein function.
D) Once a protein is synthesized,there is little to no postranslational modification.
Correct Answer:
Verified
Q22: When a repressor binds to the operator
Q23: _ activate repressor proteins,thereby decreasing the synthesis
Q24: Which of the following statements best explains
Q25: When does a cell regulate gene expression?
A)Pretranscription
Q26: When bound to the DNA,the repressor protein
Q28: If a set of genes is induced
Q29: In terms of transcription regulation,the role of
Q30: _ alter repressor proteins thereby increasing the
Q31: Which of the following is an example
Q32: If a set of genes is repressed
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