Multiple Choice
Which of the following statements most accurately describes the function of the proteasome?
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4. Biomolecules
Proteins
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Which biomolecule is primarily composed of amino acids?
A
Carbohydrates
B
Lipids
C
Nucleic acids
D
Proteins
Verified step by step guidance1
Understand the basic building blocks of each biomolecule: Carbohydrates are composed of sugar molecules, lipids are made up of fatty acids and glycerol, nucleic acids are composed of nucleotides, and proteins are made up of amino acids.
Recognize that amino acids are organic compounds that combine to form proteins. They are the monomers that link together in chains to form polypeptides, which then fold into functional proteins.
Recall that proteins perform a variety of functions in the body, including acting as enzymes, structural components, and signaling molecules, all of which are made possible by their amino acid composition.
Eliminate the other options by matching their primary components: Carbohydrates are primarily composed of monosaccharides, lipids of fatty acids, and nucleic acids of nucleotides.
Conclude that the biomolecule primarily composed of amino acids is proteins, as they are the only class of biomolecules that use amino acids as their building blocks.
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