Which Statement Is False About the Utilization of Lactose as a Carbon

question 37

Multiple Choice

Which statement is false about the utilization of lactose as a carbon source by E.coli?

• A)In the presence of both glucose and lactose,the enzymes necessary for lactose catabolism are produced only in limited amounts.
• B)Lactose is the inducer for the enzymes responsible for its own catabolism.
• C)In the absence of lactose,the repressor binds to a single site upstream of the lac genes.
• D)The catabolic enzymes are encoded in a three-gene operon controlled by a single promoter.

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Definitions:

Environmental Factors

Physical, chemical, and biological factors external to a person, and all the related factors impacting behaviors.

Artifact Theory

A concept in social science that suggests observed differences in study outcomes may result from the methods used in research rather than the phenomena being studied.

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The experience of significant life changes or pressures that can affect an individual's health and well-being.

Lack-of-control

A state or condition wherein an individual feels unable to regulate or manage their actions, emotions, or thoughts effectively.