16. Regulation of Expression
The Lac Operon Practice Problems
16. Regulation of Expression
The Lac Operon Practice Problems
6 problems
1PRACTICE PROBLEM
In a Lac operon, a mutation in the first gene of a structural gene will directly affect the synthesis of:
2PRACTICE PROBLEM
The operator locus of the lac operon may undergo mutation. When it mutates, it precludes the repressor from recognizing and binding to the operator. Which of the following may likely result from this mutation?
3PRACTICE PROBLEM
Which of the following factors will not affect the regulation of lac operon?
4PRACTICE PROBLEM
Cells want to express lac operons only when needed because
5PRACTICE PROBLEM
The lac operon is involved in lactose metabolism in bacteria. It is activated under which condition?
6PRACTICE PROBLEM
How does IPTG differ from lactose in terms of its interaction with lac operons?