When 1 gram of each of these food sources is consumed, which yields the greatest amount of energy in calories?
A) Phenylalanine
B) Polypeptide
C) Fat
D) Sucrose
E) Glucose

Question

Quizplus · Accepted Answer

Fat yields the greatest amount of energy per gram when consumed, providing about 9 calories per gram, which is more than proteins (like phenylalanine and polypeptides) and carbohydrates (like sucrose and glucose) that provide around 4 calories per gram.

When 1 Gram of Each of These Food Sources Is