Refer to the Figure Below

question 120

Multiple Choice

Refer to the figure below. Based on the figure, which statement about the acetylcholine receptor is true?

• A) Sodium ions can diffuse into the cell directly through the cell membrane.
• B) Acetylcholine binds and causes the Na⁺ ion channel to change shape and open.
• C) The receptor is a gated acetylcholine channel.
• D) The acetylcholine receptor is an intracellular receptor.
• E) Acetylcholine enters the cell through the channel in the receptor.

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Definitions:

Longitudinal Study

Research design that involves repeated observations of the same variables over short or long periods of time, allowing for the study of changes or developments.

Temperament

An individual's inherent personality traits, often noticeable from birth and affecting their behavior and emotional reactions.

Similar

Bearing resemblance or being alike in nature, form, function, or characteristics.

Cross-sectional Design

A research design that compares different groups of individuals at one single point in time to examine associations or differences among variables.