Which of the Following Statements Regarding the Structure and Function

question 34

Multiple Choice

Which of the following statements regarding the structure and function of cell membranes is correct?

• A)The phospholipid bilayer is arranged so that the hydrophilic heads of the phospholipid molecule face the extra- and intracellular fluids.
• B)Some proteins integrated into the membrane serve as channels for the passage of nonpolar molecules through the membrane.
• C)Peripheral membrane proteins function as channels associated with transport of ions through the membrane.
• D)Cholesterol molecules function to transport ions from one side of the plasma membrane to the other.
• E)The plasma membrane is a layer of phospholipid molecules with their hyrophilic head groups in contact with the extracellular solution and the hydrophobic tail groups in contact with the intracellular solution.

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Definitions:

Fourth Wave

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Social Justice

A concept based on the idea of creating a society or institution that is based on the principles of equality and solidarity, understands and values human rights, and recognizes the dignity of every human being.

Third Wave

A term popularized by Alvin Toffler, referring to the post-industrial society stage characterized by the production and dissemination of information technology and services.

Validity Concepts

The extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.