Multiple Choice
Which type of macromolecule primarily stores energy in living organisms?
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4. Biomolecules
Carbohydrates
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Where does your body primarily store carbohydrates that are not used immediately?
A
As nucleic acids in the nucleus
B
As glycogen in the liver and muscles
C
As amino acids in the bloodstream
D
As fatty acids in the lungs
Verified step by step guidance1
Understand that carbohydrates are a primary source of energy for the body, and any excess carbohydrates not immediately used for energy need to be stored for later use.
Recall that the body stores carbohydrates in the form of glycogen, a polysaccharide made up of glucose molecules linked together.
Identify the primary storage sites for glycogen in the body: the liver and skeletal muscles. The liver stores glycogen to regulate blood sugar levels, while muscles store glycogen for energy during physical activity.
Eliminate the incorrect options: Nucleic acids in the nucleus are related to genetic material, not carbohydrate storage. Amino acids in the bloodstream are building blocks of proteins, and fatty acids in the lungs are not a storage form of carbohydrates.
Conclude that the correct answer is: 'As glycogen in the liver and muscles,' as this is the primary way the body stores unused carbohydrates.
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