alleryStart learning →Peripheral proteins differ from integral proteins in that peripheral proteins are:
AEmbedded in the hydrophobic core of the bilayer
BBound to the surfaces of the membrane only
CBuilt entirely from carbohydrate chains
DFound only in the membranes of prokaryotes
Answer & Solution
Correct answer: B. Bound to the surfaces of the membrane only
1. Peripheral proteins are found on the exterior and interior surfaces of membranes.
2. They attach either to integral proteins or to phospholipids rather than sitting inside the bilayer.
3. Integral proteins are the ones integrated completely into the membrane structure, which is the first option's description.
4. Peripheral proteins are proteins, not carbohydrate chains, and they are not restricted to prokaryotes.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 5 "Structure and Function of Plasma Membranes", section 5.1 Components and Structure_
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