Mediated Transport of Polar Molecules and Ions Across the Plasma

question 5

Multiple Choice

Mediated transport of polar molecules and ions across the plasma membrane utilizes a/an _____ carrier that binds to the substance and causes a conformational change to allow its movement across the membrane.

• A) protein
• B) enzyme
• C) porin
• D) lipid

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Definitions:

Newt Gingrich

An American politician who served as the 50th Speaker of the United States House of Representatives from 1995 to 1999.

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