The Plasma Membrane Is Composed of

question 33

Multiple Choice

The plasma membrane is composed of

• A) carbohydrate molecules.
• B) carbohydrates and proteins.
• C) carbohydrates and lipids.
• D) a bilayer of phospholipids.
• E) a bilayer of proteins.

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Definitions:

Hyperpolarize

To increase the polarization or difference in electric charge across a membrane, typically making it more negative inside compared to outside.

Na+

Na+, or sodium ion, is an essential electrolyte in the body, playing key roles in fluid balance, nerve signal transmission, and muscle contraction.

K+

The symbol for potassium ions, which are essential for various physiological functions, including nerve signal transmission and muscle contraction.

Ca2+

Calcium ions, a divalent metal cation crucial for many biological processes including muscle contraction, neurotransmitter release, and cell signaling.