The Substance Released at Axon Terminals to Propagate a Nervous

question 70

Multiple Choice

The substance released at axon terminals to propagate a nervous impulse is called a(n) ________.

• A) ion
• B) cholinesterase
• C) neurotransmitter
• D) biogenic amine

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Definitions:

Venom Evolution

The process by which animals develop venomous capabilities as a means of predation, defense, or competition, involving changes in venom composition and delivery mechanisms.

Light-sensitive Spots

Simple photoreceptors found in some organisms that can detect the presence of light but cannot form images.

Compound Eye

A type of eye found in insects and some crustaceans, consisting of multiple small visual units that provide a wide field of vision and the ability to detect movement.

Camera Eye

An eye type that possesses a lens for focusing light on the retina, similar to the operational principle of a camera, found in humans and other animals.