What Are the Similarities Between Sodium, Potassium, and Calcium Ion

question 40

Multiple Choice

What are the similarities between sodium, potassium, and calcium ion channels?

• A) All allow passage of multiple different ions.
• B) They contain homologous domains in the membrane spanning regions.
• C) They all contain voltage-sensing segments that close the channel in response to a particular membrane potential.
• D) They are capable of moving ions in both directions across a membrane.
• E) None of the answers is correct.

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Definitions:

Atomic Sentences

Simple sentences that contain no logical connectors or quantifiers and state a fact about a single entity or a relationship between entities.

Truth Values

In logic, the attribution of truth or falsity to a proposition, typically represented as true (T) or false (F).

Truth Table

A logical table used to determine the validity of a proposition by listing all possible scenarios and their outcomes.

Atomic Sentences

The most basic statements in logic that cannot be broken down into simpler components while retaining truth values.