Which of the Following Statements About the Movement of Potassium

question 100

Multiple Choice

Which of the following statements about the movement of potassium ions is true?

• A) K⁺ enters guard cells, water follows, and the cells become turgid.
• B) K⁺ leaves guard cells, and they become less turgid.
• C) K⁺ enters guard cells, and they become less turgid.
• D) K⁺ leaves guard cells, and they become turgid.
• E) K⁺ reaches equilibrium in guard cells and their surroundings.

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Definitions:

Photoautotrophs

Organisms that carry out photosynthesis to synthesize nutrients from carbon dioxide and water using sunlight as an energy source.

Chemoheterotrophs

Organisms that obtain their energy by consuming organic molecules created by other organisms.

Vector

In biology, an organism that transmits a disease or parasite from one animal or plant to another. In mathematics and physics, it represents a quantity having both magnitude and direction.

Pilus

A thin, hair-like structure on the surface of some bacteria that is involved in adherence to surfaces or in the transfer of genetic material.