Which of the following about biological membrane is true ?
Correct answer: C. Lipid moiety is amphipathic
- A. Symmertrical bi leaflet structures
- B. Rigid assembly of protein, lipid and carbohydrate
- C. Lipid moiety is amphipathic
- D. Lipid and protein moiety are held by covalent interactions
Explanation
Membrane lipids are amphipathic, having a polar hydrophilic head and nonpolar hydrophobic tails that form the bilayer. Membranes are fluid and asymmetric, and their components are held mainly by noncovalent interactions rather than covalent bonds.
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