Question

In bacteria, mRNAs bound to small metabolites are called ______________

(a) euchromatin

(b) riboswitches

(c) heterochromatin

(d) nucleosome

The question was asked in an interview for internship.

I'd like to ask this question from Gene Expression Control in portion Control of Gene Expression of Cell Biology

Answer 1

The correct answer is (b) riboswitches

To elaborate: In bacteria, mRNAs bound to small metabolites such as glucosamine and adenine are called riboswitches that can alter the expression of a gene involved in the production of bound metabolite.