Bio help!!?

Question

which of the following is a reasonable explaination for why unsaturated fatty acids help keep and membrane more fluid at lower temperatures?

a. the double bonds form a kink in the fatty acid tail, forcing adjacent lipids to be further apart

b. unsaturated fatty acids have a higher cholesterol content

c. unsatturated fatty acids permit more water in the interior of the membrane

d. the double bond blocks interaction among the hydrophilic head groups of the lipids

e. the double bonds result in a shorter fatty acif tail

Answer 1

Its A. It has to do with the kinks in the fatty acid tail