Which Statement Is Generally TRUE of Integral Membrane Proteins?
A) $\alpha$

question 39

Multiple Choice

Which statement is generally TRUE of integral membrane proteins?

• A) The secondary structure in the transmembrane region consists solely of \(\alpha\) helices or \(\beta\)sheets.
• B) The domains that protrude on the cytoplasmic face of the plasma membrane nearly always have covalently attached oligosaccharides.
• C) They are unusually susceptible to degradation by trypsin.
• D) They can be removed from the membrane with high salt or mild denaturing agents.
• E) They undergo constant rotational motion that moves a given domain from the outer face of a membrane to the inner face and then back to the outer.

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