Multiple Choice
Which of the following are the four major biomolecules essential for all life?
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4. Biomolecules
Introduction to Biomolecules
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Which macromolecule does the human body typically not break down for energy?
A
Nucleic acids
B
Lipids
C
Proteins
D
Carbohydrates
Verified step by step guidance1
Begin by understanding the primary macromolecules in the human body: carbohydrates, lipids, proteins, and nucleic acids.
Recognize that the human body primarily uses carbohydrates and lipids as sources of energy. Carbohydrates are broken down into glucose, which is a key energy source, while lipids are broken down into fatty acids and glycerol.
Consider proteins, which can be used for energy but are primarily used for building and repairing tissues. Proteins are broken down into amino acids, which can be converted into energy if necessary, but this is not their primary function.
Understand that nucleic acids, such as DNA and RNA, are not typically broken down for energy. Their main role is to store and transmit genetic information.
Conclude that among the options given, nucleic acids are the macromolecules that the human body typically does not break down for energy.
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