Which Statement About Membranes Is TRUE

question 10

Multiple Choice

Which statement about membranes is TRUE?

• A) Most plasma membranes contain more than 70% proteins.
• B) Sterol lipids are common in bacterial plasma membranes.
• C) Sterol lipids are common in human cell plasma membranes.
• D) Sterol lipids are common in plant cell plasma membranes.
• E) The plasma membranes of all cell types within a particular organism have basically the same lipid and protein composition.

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Definitions:

Goods and Services

The products (goods) and activities (services) that are produced and sold to satisfy human wants and needs.

Law of Comparative Advantage

A principle that states that countries or individuals gain by producing goods for which they have a lower opportunity cost relative to other producers, leading to more efficient global resource allocation.

Economic Goods

Products or services that have a price and are consumed by individuals or groups to satisfy needs or wants.

Opportunity Cost Producer

The cost incurred by a producer when choosing one production opportunity over another, measured in terms of the benefit forgone from the alternative not chosen.