Question

triglycerides are the body’s most efficient method for storing energy. in fact, a gram of fat supplies more than double the amount of energy a gram of carbohydrate or protein supplies! energy from stored fats is slowly released to cells between meals. fats fuel processes like breathing and long, slow activities like hiking.

in addition to providing energy, triglycerides help dissolve nonpolar vitamins a, d, e, and k. stored body fat also cushions bones and organs, and it provides insulation to retain body heat.

select the true statements.

• vitamins a, d, e, and k do not mix with fats.
• stored triglycerides provide insulation for the body.
• one gram of protein provides less than half the amount of energy provided by one gram of fat.
• fats are the least efficient way to store energy.

Explanation:

1. For "Vitamins A, D, E, and K do not mix with fats": The text says "triglycerides help dissolve nonpolar vitamins A, D, E, and K", so this is false.
2. For "Stored triglycerides provide insulation for the body": The text states "Stored body fat... provides insulation to retain body heat" (and triglycerides are stored fats), so this is true.
3. For "One gram of protein provides less than half the amount of energy provided by one gram of fat": The text says "a gram of fat supplies more than double the amount of energy a gram of carbohydrate or protein supplies", so protein (like carb) gives less than half of fat's energy, this is true.
4. For "Fats are the least efficient way to store energy": The text says "Triglycerides are the body’s most efficient method for storing energy", so this is false.

Answer:

• Stored triglycerides provide insulation for the body.
• One gram of protein provides less than half the amount of energy provided by one gram of fat.