The Trp Operon in Escherichia Coli Encodes the Components Necessary

question 16

Multiple Choice

The Trp operon in Escherichia coli encodes the components necessary for tryptophan biosynthesis. In the presence of the amino acid in a bacterium, …

• A) the tryptophan operator is bound to the tryptophan repressor.
• B) the tryptophan repressor is bound to bacterial RNA polymerase.
• C) the expression of the tryptophan repressor is shut off.
• D) the operon genes are expressed.
• E) All of the above.

---

Definitions:

American

Pertaining to or characteristic of the United States of America, its inhabitants, or its culture.

Japanese

Pertaining to Japan or its culture, language, or people.

James-Lange Theory

A theory of emotion proposing that physiological arousal precedes the experience of emotion, suggesting emotions are the interpretation of bodily reactions.

Physiological Changes

Alterations in the body's functions and processes, which can occur due to development, aging, or response to environments.