When a Neuron Responds to a Particular Neurotransmitter by Opening

question 1

Multiple Choice

When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?

• A) relay molecule
• B) transducer
• C) signal molecule
• D) response molecule

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Definitions:

Variable Cost

Expenses that fluctuate in direct proportion to the amount of production or output, like labor and materials.

Fixed Costs

Expenses that do not change in total regardless of changes in the volume of goods or services produced or sold.

Variable-rate

A term used to describe a financial instrument or system where the interest rate can change over time based on predetermined conditions or an index.

Multi-leaf Spring

A type of suspension spring made of several layers of metal bound together to absorb shocks and support loads.