In Prokaryotes, Gene Expression Is Often Responsive to Small Molecules

question 4

Multiple Choice

In prokaryotes, gene expression is often responsive to small molecules where increasing synthesis of enzymes for metabolism of a certain substrate is termed ____ and the substrate is called ____. Likewise metabolic products that decrease synthesis of enzymes for their production are called ____ and carry out ____.

• A) autoregulation; regulatory; co-repressors; initiation
• B) co-induction; induction; co-repressors; initiation
• C) induction; co-inducer; co-repressors; repression
• D) induction; co-inducer; repressor; co-repression
• E) all are true

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