How Are Integral Proteins Unique in Cell Membranes

question 20

Multiple Choice

How are integral proteins unique in cell membranes?

• A) They have no hydrophobic portions.
• B) They are weakly bound to the surface of the membrane.
• C) They are only located on the inner side of a membrane.
• D) They are firmly bound to the membrane.
• E) They are completely embedded within the lipid bilayer.

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Definitions:

Milligram

A mass measurement in the metric system equivalent to 0.001 grams.

Microgram

A metric measure of mass that is one thousandth of a milligram or one millionth of a gram, used for very small amounts of a substance.

Milligram

A unit of mass equal to one thousandth of a gram, often used in medication dosages and nutritional information.

Gram

A metric unit of mass equal to one thousandth of a kilogram.