Which of the following statements is FALSE? A. Cells of the body differ not beca

Question

Which of the following statements is FALSE?

A. Cells of the body differ not because they contain different genes but because they express different genes.

B. Differentiated cells synthesize and accumulate different sets of mRNA and protein.

C. Gene expression regulation occurs only during transcription.

D. Gene expression regulation is a combinatorial effect of many different regulatory processes.

A. Cells of the body differ not because they contain different genes but because they express different genes.

B. Differentiated cells synthesize and accumulate different sets of mRNA and protein.

C. Gene expression regulation occurs only during transcription.

D. Gene expression regulation is a combinatorial effect of many different regulatory processes.

Explanation / Answer

All cells in the body in different organs contains the same genes. But, they express different genes depending upon their physiological function. (option A is correct).

Expression of genes is different in different cells. So, accordingly these cells accumulate different sets of mRNA and protein (option B is correct).

Regulation of gene expression is a combinatorial effect of many different processes. It can occur during translation, post transcriptional modifications in protein folding, RNA transport, translation and mRNA degradation. (option D is correct and option C is false).

Therefore, the answer for this question is option C.

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