Multiple Choice
Which of the following levels of protein structure is primarily stabilized by hydrogen bonds between backbone amide and carbonyl groups?
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1. Introduction to Biochemistry
Proteins
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Proteins are polymers of which of the following molecules?
A
Nucleotides
B
Fatty acids
C
Amino acids
D
Monosaccharides
Verified step by step guidance1
Understand the structure of proteins: Proteins are macromolecules made up of smaller building blocks called monomers. These monomers are linked together in a chain to form the polymer.
Recall the specific monomers that make up proteins: Proteins are composed of amino acids, which are organic molecules containing both an amino group (-NH₂) and a carboxyl group (-COOH).
Differentiate proteins from other macromolecules: Nucleotides are the building blocks of nucleic acids (DNA and RNA), fatty acids are components of lipids, and monosaccharides are the monomers of carbohydrates. None of these are involved in forming proteins.
Recognize the polymerization process: Amino acids are joined together by peptide bonds during protein synthesis, forming a polypeptide chain that folds into a functional protein.
Conclude that the correct answer is amino acids, as they are the specific monomers that make up proteins.
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