Which of the following statements about the la a) The repressor only leaves the operator v product of the lacl gene. b) The repressor is always bound to the op lactose binds to it, allowing RNA polyme c) The repressor only binds to the operator the enzymes coded for by the genes of t d) The repressor is bound to the operator, inducer.

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Which of the following statements about the lac operon is accurate?
a) The repressor only leaves the operator when it is bound to the protein
product of the lacl gene.
b)
The repressor is always bound to the operator, but changes shape when
lactose binds to it, allowing RNA polymerase to pass.
c)
The repressor only binds to the operator when it is bound to the product of
the enzymes coded for by the genes of the operon.
d)
The repressor is bound to the operator, except when it is bound to the
inducer.
Transcribed Image Text:Which of the following statements about the lac operon is accurate? a) The repressor only leaves the operator when it is bound to the protein product of the lacl gene. b) The repressor is always bound to the operator, but changes shape when lactose binds to it, allowing RNA polymerase to pass. c) The repressor only binds to the operator when it is bound to the product of the enzymes coded for by the genes of the operon. d) The repressor is bound to the operator, except when it is bound to the inducer.
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