Question Detail

BIO 101 BIO 101 Past Questions Objective Question
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Question

Which of the following macromolecules contains the most energy per gram?
Options
A Proteins
B Lipids
Correct Answer
C Carbohydrates
D Nucleic acids
Correct Answer

Option B is the correct answer.

Detailed Explanation

Lipids (fats) store more energy per gram than carbohydrates or proteins because they have long hydrocarbon chains with many C-H bonds, which yield more energy when oxidized.

Hint

Fats are compact, high-energy storage molecules.

Question Info

Course: BIO 101
Topic: BIO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 811 of 2556
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