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Which food is the best source of the material needed to build and repair muscle tissue (dietary protein)?
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2. Cell Chemistry & Cell Components
Proteins
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The primary building blocks (monomers) of proteins are:
A
Glucose molecules.
B
Lipids.
C
Nucleotides.
D
Amino acids.
E
None of these.
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Understand that proteins are large, complex molecules that play many critical roles in the body. They are made up of smaller units called monomers.
Identify the monomers of proteins. Proteins are composed of amino acids, which are organic compounds that combine to form proteins.
Recognize that glucose molecules are the monomers of carbohydrates, not proteins.
Acknowledge that lipids are not composed of monomers in the same way proteins are; they are made up of fatty acids and glycerol.
Note that nucleotides are the monomers of nucleic acids, such as DNA and RNA, not proteins. Therefore, the correct monomers for proteins are amino acids.
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