Which of these is a general feature of the lipid bilayer in all biological membr

Question

Which of these is a general feature of the lipid bilayer in all biological membranes?

a) individual lipid molecules are free to diffuse laterally in the surface of the bilayer

b) individual lipid molecules in one monolayer of the bilayer readily diffuse (flip-flop) to the other monolayer.

c) polar, but uncharged, compounds readily diffuse across the bilayer

d) the bilayer is stabilized by covalent bonds between neighboring phospholipid molecules.

e) the polar head groups face inward toward the inside of the bilayer

Explanation / Answer

Ans A) individual lipid molecules are free to diffuse laterally in the surface of the bilayer

The biological membranes are made up of two layers of lipid molcules. Since the nature of these membranes is lipid , the individual lipid molecules are able to freely diffuse into the surface of the membrane.

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