Which of the Following Statements Concerning Cell Membranes Is/are Correct

question 38

Multiple Choice

Which of the following statements concerning cell membranes is/are correct?
1) Bilayers are oriented head to tail.
2) Cholesterol in animal cell membranes provides greater rigidity.
3) Small polar molecules can readily cross a cell membrane by passive diffusion.

• A) 1 only
• B) 2 only
• C) 3 only
• D) 1 and 2
• E) 1 and 3

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Definitions:

Utility Function

A mathematical representation of a consumer's preference, showing the level of satisfaction or utility derived from different bundles of goods and services.

Indifference Curve

A curve that shows the different bundles of goods between which a consumer is indifferent, highlighting the trade-offs a consumer is willing to make.

Apples

A popular fruit with a sweet to tart taste, grown in temperate climates and consumed fresh, cooked, or as juice.

Bananas

A type of elongated, edible fruit with soft flesh and a yellow peel when ripe, primarily grown in tropical regions.