Answer:
(b) Considering that gene expression
results in the formation of a polypeptide, it can be regulated at several
levels. In eukaryotes, the regulation could be exerted at
(i) transcriptional level (formation of
primary transcript)
(ii) processing level
(regulation of splicing)
(iii) transport of mRNA from
nucleus to the cytoplasm
(iv) translational level
While, in prokaryotes, control
of the rate of transcriptional initiation is the predominant sitefor control of
gene expression.
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