Which of the Following Terms Best Characterizes Catabolite Repression Associated

question 27

Multiple Choice

Which of the following terms best characterizes catabolite repression associated with the lac operon in E.coli?

• A)constitutive
• B)negative control
• C)repressible system
• D)positive control
• E)inducible system

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Definitions:

K

K is the chemical symbol for potassium, an essential dietary mineral and electrolyte necessary for various bodily functions, including nerve transmission and muscle contraction.

Acetic Acid

A weak, organic acid with the formula CH3COOH, known for its pungent smell and sour taste, and used in the production of vinegar.

Equilibrium Reaction

A chemical reaction in which the rate of the forward reaction equals the rate of the reverse reaction, resulting in no net change in the concentrations of reactants and products.

K

The symbol for Potassium, a chemical element with atomic number 19, highly reactive and essential for plant and animal life.