Voltage-Gated Channels Contain Charged Protein Domains, Which Are Sensitive to Changes

question 43

Multiple Choice

Voltage-gated channels contain charged protein domains, which are sensitive to changes in membrane potential.By responding to a threshold in the membrane potential, these voltage sensors trigger the opening of the channels.Which of the following best describes the behavior of a population of channels exposed to such a threshold?

• A)Some channels remain closed and some open completely.
• B)All channels open completely.
• C)All channels open partly, to the same degree.
• D)All channels open partly, each to a different degree.

---

Definitions:

Generalization

The process in psychology by which a response is given to a similar stimulus as the one that originally triggered the response.

Somatoform Disorder

Psychological disorder in which the symptoms take a somatic (bodily) form without apparent physical cause.

Bodily Form

Refers to the shape or structure of the human body.

Psychological Disorder

A pattern of behavioral or psychological symptoms that impacts multiple life areas and/or causes significant distress, often classified and diagnosed according to standardized criteria.