Water and small hydrophilic solutes

A) may pass through the phospholipid bilayer of the plasma membrane.
B) cannot pass through a plasma membrane.
C) can dissolve holes in the plasma membrane.
D) may pass through channels in the plasma membrane.
E) do not mix with each other.


D

Anatomy & Physiology

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a. true b. false

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Postganglionic sympathetic axons are carried from the sympathetic trunk to the spinal nerve by the

A. splanchnic nerves. B. superior cervical ganglion. C. white rami communicantes. D. gray rami communicantes. E. pterygopalatine ganglion.

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Two or more polypeptides chains combine to form a complex structure called a ________

A) primary structure B) beta-pleated sheet C) secondary structure D) tertiary structure E) quaternary structure

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