In the figure below, which of the four fatty acids adds fluidity to a membrane, and what type of bond allows this to happen?
A) A; saturated bond
B) B; trans
C) B; cis
D) C; cis
E) D; double

Question

In the figure below, which of the four fatty acids adds fluidity to a membrane, and what type of bond allows this to happen? 
A) A; saturated bond 
B) B; trans 
C) B; cis 
D) C; cis 
E) D; double

Quizplus · Accepted Answer

The fatty acid in D has a double bond (cis) in its carbon chain, which creates a bend or kink in the molecule, making it harder for the fatty acids to pack tightly together. This increases the fluidity of the membrane.

In the Figure Below, Which of the Four Fatty Acids