Which of the Following Is True of Microbes and Their

question 50

Multiple Choice

Which of the following is true of microbes and their membranes?

• A) They are relatively permeable to protons.
• B) Protons can leak through directly when the difference in intracellular and extracellular pH is very high.
• C) Membrane-permeant organic acids can prevent the leakage of protons.
• D) They are able to change the pH optima of their enzymes.
• E) Acidophiles use Na⁺/H⁺ antiporters to remove internal protons.

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Definitions:

Transformational Logic

A theory or process of changing one structure into another, often used in linguistic and mathematical contexts to describe systematic changes.

Pulse Pressure

The difference between the systolic and diastolic blood pressure readings, providing information about the health and elasticity of arteries.

Blood Pressure

The force exerted by circulating blood upon the walls of blood vessels, a critical indicator of cardiovascular health.

Pulse Rate

The number of heartbeats per minute, indicating the heart rate; it is often measured at resting conditions.