You are learning about an integral membrane protein. This protein has a region that is exposed to the extracellular fluid, a region that spans the membrane, and another region that is exposed to the intracellular fluid. Which of the following is likely TRUE of this protein?

A. It is a nonpolar molecule.
B. It is an amphipathic molecule.
C. It is a polar molecule.


Answer: B

Anatomy & Physiology

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The ________ and ________ systems control and coordinate every cell in a human.

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