Which of the following statements about the lac operon is correct? 1. lacZ, lacY and lacA proteins are translated using the same MRNA molecule. 2. Lacl is a gene that codes for allolactose. 3. Allolactose activates transcription of lacz, lacY and lacA. 4. In the presence of lactose, the repressor is active. A. 1, 2 and 3 B. 1 and 3 C. 2 and 4 D. 4 only E. All of 1, 2, 3, and 4 are correct.

Which of the following statements about the lac operon is correct? 1. lacZ, lacY and lacA proteins are translated using the same MRNA molecule. 2. Lacl is a gene that codes for allolactose. 3. Allolactose activates transcription of lacz, lacY and lacA. 4. In the presence of lactose, the repressor is active. A. 1, 2 and 3 B. 1 and 3 C. 2 and 4 D. 4 only E. All of 1, 2, 3, and 4 are correct.

Name: Which of the following statements about the lac operon is correct?1.
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Description: Which of the following statements about the lac operon is correct?1. lacZ, lacY and lacA proteins are translated using the same RNA molecule.2. Lacl is a gene that codes for allolactose.3. Allolactose activates transcription of lacz, lacY and lacA.4

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter14: Gene Regulation

Section: Chapter Questions

Problem 10TYU: Which of the following is an example of positive control? (a) transcription occurs when a repressor...

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