For a DNA Strand That Is 2 Nucleotides Long, How

question 1

Multiple Choice

For a DNA strand that is 2 nucleotides long, how many different sequences are possible?

• A) 2
• B) 4
• C) 8
• D) 16
• E) 64

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Definitions:

GABA

Gamma-Aminobutyric Acid, a neurotransmitter in the brain that inhibits nerve transmission, reducing neuronal excitability throughout the nervous system.

Agonist

A chemical or drug that binds to receptors in the brain and causes a reaction, often mimicking the action of naturally occurring substances.

Reuptake

The absorption by a presynaptic nerve ending of a neurotransmitter that it has secreted, critical in regulating neurotransmitter levels and influencing neural communication.

Performance Anxiety

Anxiety over sexual performance that interferes with sexual functioning.