According to the most current model of the plasma membrane,

A. cholesterol forms the innermost layer of the membrane.
B. the membrane is a rigid unchanging structure.
C. proteins are free to move about within a double layer of phospholipids.
D. phospholipids and cholesterol form a single lipid bilayer.
E. the membrane is impermeable to all other molecules.


Answer: C

Anatomy & Physiology

You might also like to view...

The nervous system and the ________ system share important structural and functional characteristics, such as relying upon some form of chemical communication with targeted tissues and organs.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Define first intention healing

What will be an ideal response?

Anatomy & Physiology

After birth, the foramen ovale is closed as a result of

A) increasing pressure in the right atrium. B) increasing pressure in the left atrium. C) decreased blood volume in the pulmonary veins. D) increased resistance in the pulmonary circuit.

Anatomy & Physiology

The rabies vaccine should be given at _____ weeks of age

Fill in the blank(s) with correct word

Anatomy & Physiology