Which of the following best describes the biological role of the lac operon? a. It ensures that
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Question:
Which of the following best describes the biological role of the lac operon?
a. It ensures that bacterial cells produce lactose only when no other food sources are available.
b. It prevents other sugars from being metabolized until all available lactose has been used.
c. It ensures that a cell dedicates resources to the production of enzymes involved in lactose metabolism only when lactose is available in the environment.
d. It ensures that a cell produces enzymes involved in lactose metabolism in a constitutive manner.
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ISBN: 978-0073404004
1st edition
Authors: Iris Stuart
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