Which of the Following Does Not Specifically Cause a Membrane

question 18

Multiple Choice

Which of the following does not specifically cause a membrane to be more rigid or fluid, but rather causes the T_m to occur over a greater range?

• A)increasing the content of unsaturated fatty acids
• B)raising the temperature
• C)increasing the cholesterol content
• D)decreasing the phosphatidylcholine content while increasing the phosphatidylethanolamine content
• E)all of the above

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Definitions:

Plasma Membrane

The selectively permeable surface membrane that encloses the cell contents and through which all materials entering or leaving the cell must pass.

Trans Membrane

Pertaining to or occurring across a cell membrane, typically involving the movement of substances or the effect of signaling molecules.

Integral Membrane

Proteins that are permanently embedded within the cell membrane to facilitate communication and transport between the cell's interior and exterior.

Nuclear Envelope

The double membrane structure that encloses the nucleus of a eukaryotic cell, providing a barrier between the nucleus and the cytoplasm.