Multiple Choice
Like lipids, membrane proteins have the same ability to act like a fluid and move around in the membrane.
8. Membrane Structure
Membrane Proteins
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Which of the following membrane proteins does NOT attach to the membrane by binding to lipids?
A
Integral membrane proteins
B
Peripheral membrane proteins
C
GPI-anchored membraned proteins
D
Lipid-anchored membrane proteins
Verified step by step guidance1
Understand the types of membrane proteins: Integral membrane proteins, Peripheral membrane proteins, GPI-anchored membrane proteins, and Lipid-anchored membrane proteins.
Integral membrane proteins are embedded within the lipid bilayer and often span the entire membrane, interacting directly with the lipid environment.
GPI-anchored membrane proteins are attached to the membrane via a glycosylphosphatidylinositol anchor, which is a lipid that tethers the protein to the membrane.
Lipid-anchored membrane proteins are covalently bonded to lipid molecules, which anchor them to the membrane.
Peripheral membrane proteins do not bind directly to lipids; instead, they attach to the membrane indirectly by interacting with other membrane proteins or the polar head groups of lipids.
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