Which Molecule, When Moving Across a Plasma Membrane, Would Require

question 17

Multiple Choice

Which molecule, when moving across a plasma membrane, would require the most ATP to be used?

• A) a water molecule
• B) a simple sugar, such as glucose
• C) a dissolved gas, such as carbon dioxide
• D) an ion moving against a concentration gradient

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Definitions:

Innate

Inherent or natural characteristics or abilities present from birth, not acquired or learned.

Evolutionary Theories

A group of ideas aimed at explaining how biological species evolve over time due to genetic variation, natural selection, and adaptation.

Primary Reaction

An initial automatic response to a given stimulus or situation, often reflexive or instinctual in nature.

Hedonic Adaptation

The noted human inclination to swiftly revert to a stable state of happiness, regardless of significant life changes or impactful positive or negative occurrences.