What effect would you expect if gene expression of the lac operon were completely repressed?
Medium
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c A low level of Lac Z expression is required for conversion of lactose to the inducer, allolactose.
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Escherichia coli fully labelled with $15 \mathrm{~N}$ is allowed to grow in $14 \mathrm{~N}$ medium. The two strands of $DNA$ molecule of the first generation bacteria have
Prokaryotic transcription mechanism requires involvement of only one polymerase type and
$(a)$ It occurs in cytoplasm only
$(b)$ It is often coupled with translation
$(c)$ It does not require splicing but capping is essential