Answer
b.
Work Step by Step
Option a. is incorrect. Bile salts break down fats into smaller droplets so that they can be more easily digested by enzymes.
Option c. is incorrect. Fats are emulsified by biles salts and are then digested by the enzyme lipase.
Option d. is incorrect. Fats are not a more healthy source of energy than proteins and carbohydrates.
Option b. is correct. One gram of fat produces more than twice the energy of carbohydrates and proteins.