Molecular Basis of Inheritance Question 143
143. In negative operon
(a) co-repressor binds with repressor
(b) co-repressor does not bind with repressor
(c) co-repressor binds with inducer
(d) CAMP have negative effect on lac operon
Show Answer
Answer : a
Hints & Solution
(a) In negative (repressible) operon, the repressor co-repressor complex binds with the operator. The free repressor cannot bind to the operator.
