In Positive Control of Several Sugar-Metabolism-Related Operons, the Catabolite Activator

question 94

Multiple Choice

In positive control of several sugar-metabolism-related operons, the catabolite activator protein (CAP) binds to DNA to stimulate transcription. What causes an increase in CAP?

• A) increase in glucose and increase in cAMP
• B) decrease in glucose and increase in cAMP
• C) increase in glucose and decrease in cAMP
• D) decrease in glucose and increase in repressor
• E) decrease in glucose and decrease in repressor

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Definitions:

Electrical Current

The flow of electric charge through a conductor or circuit, typically measured in amperes.

Flow

In electrical contexts, flow refers to the movement or circulation of electric current through a conductor or circuit.

Semiconductor

A material that contains four valence electrons and is used in the production of solid-state devices.

Valence Electrons

The electrons in an atom's outer shell, which determine the chemical properties of the element and its reactivity.