If a Particular Operon Encodes Enzymes for Making an Essential

question 38

Multiple Choice

If a particular operon encodes enzymes for making an essential amino acid and is regulated like the trp operon, then ________.

• A) the amino acid inactivates the repressor
• B) the repressor is active in the absence of the amino acid
• C) the amino acid acts as a corepressor
• D) the amino acid turns on transcription of the operon

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Definitions:

Anxiolytics

Medications used to reduce symptoms of anxiety disorders by affecting neurotransmitters in the brain.

Antipsychotics

Medications that are primarily used to manage psychosis, including delusions, hallucinations, and disorders like schizophrenia.

Psychiatrist

A medical doctor specializing in the diagnosis, treatment, and prevention of mental illnesses, capable of prescribing medication.

Psychopharmacology

is the study of the use of medications in treating mental disorders, focusing on how psychoactive substances interact with the brain and influence behavior.