The SOS Regulatory System Is Activated by

question 87

Multiple Choice

The SOS regulatory system is activated by

• A) the activity of DNA polymerase IV.
• B) DNA damage.
• C) transcription of LexA.
• D) repression of RecA.

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Definitions:

Chyme

The semi-fluid mass of partly digested food that moves from the stomach to the small intestine for further digestion.

Gastric Fluid

Fluid secreted by the stomach lining; contains digestive enzymes, acid, and mucus.

Food

Nutritious substances consumed by organisms for growth, repair, and maintenance of vital functions.

Fatty Acids

Long hydrocarbon chains that are a major component of lipids, serving as energy sources and structural elements in cell membranes.