Which of the following is a characteristic of integral membrane proteins? Questi

Question

Which of the following is a characteristic of integral membrane proteins? Question 6 options: A) flip-flop occurs but rather slowly B) do not have lateral diffusion or flip-flop C) most of their movement is by lateral diffusion, though limited D) Both A and B are correct E) A, B and C are all correct Free fatty acids form bilayers because Question 7 options: A) none of these choices B) Do; they are amphipathic Do; their nonpolar fatty acyl chain has to avoid water and C) bilayer is the only aggregate structure it can form to avoid exposing the nonpolar tail to water. D) do not; are soluble in water do not; their polar head group is wider than the nonpolar tail E) (fatty acyl chain) and they can form another type of aggregate structure to avoid exposing the nonpolar tail to water

Explanation / Answer

1. Flip flop involves movement of lipid or protein from one surface to another this is also called transverse diffusion .they also have slow lateral diffusion. Only a is correct

2 option e is the right answer. Free fatty acid can only form trigylcerides and they cant form the structural membranes

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