How Is a Nerve Impulse Usually Transmitted Across a Synapse

question 4

Multiple Choice

How is a nerve impulse usually transmitted across a synapse from a presynaptic to a postsynaptic cell?

• A)via a direct connection
• B)via a spark
• C)via a neurotransmitter
• D)via Na⁺ ions
• E)via plasmodesmata

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Definitions:

Penicillin

A group of antibiotics derived from Penicillium fungi, used to treat bacterial infections by inhibiting cell wall synthesis.

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