Ion Channels Are Formed by a Particular Kind of Membrane

question 60

Multiple Choice

Ion channels are formed by a particular kind of membrane protein that allows the passage of a specific ion under certain conditions.This type of protein is most likely a(n)

• A) peripheral protein with additional hydrophobic domains.
• B) integral protein with a transmembrane domain.
• C) phospholipid with hydrophilic domains.
• D) enzyme with an asymmetrical arrangement on either side of the plasma membrane.
• E) membrane protein that is able to move freely within the phospholipid bilayer.

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Definitions:

False Positive

An error in data testing in which a test result improperly indicates the presence of a condition (such as a disease when it is not present).

Expected Gain

The anticipated value or profit that results from a particular action or decision, often calculated in statistical or financial models.

False Negative

An error in test results in which a positive condition is incorrectly reported as negative.

Discrete Probability Distribution

A statistical distribution that shows the probabilities of outcomes with distinct values.