When One Base Is Changed to Another at a Single

question 56

Multiple Choice

When one base is changed to another at a single position in the DNA sequence of a gene, a(n) _____ mutation has occurred.

• A)insertion
• B)deletion
• C)frameshift
• D)substitution

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Definitions:

Acetylcholine

A neurotransmitter involved in many functions including muscle activation, memory, and learning.

Monoamine Oxidase (MAO)

An enzyme that breaks down monoamine neurotransmitters, affecting mood and behavior.

Phenelzine

A medication used primarily as an antidepressant, categorized under monoamine oxidase inhibitors (MAOIs), that helps to elevate mood by altering certain chemical balances in the brain.

Carbamazepine

A medication primarily used in the treatment of epilepsy and neuropathic pain but also for bipolar disorder.