Why are lipids such efficient energy storage molecules as compared to carbohydrates?
a. they are hydrophobic.
b. they contain 4 kcal per gram of fat.
c. they are less compact than carbohydrates.
d. they hold a lot of water.
e. none of the above

 Option  A

Explanation:

Lipids belongs to the group of biological molecules that includes fat, oils and some steroids. They are better for storing energy as compared to carbohydrate because they are more weight efficient due to its hydrophobic nature.

Lipids can be stored without storing a lot of water. Besides this carbohydrates requires water to get stored inside the body.

So, lipids are better storage molecules for energy as compared to that of carbohydrates.

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