Textbook Question
What two functional groups are bound to the central carbon of every free amino acid monomer?
a. an R-group and a hydroxyl group
b. an amino group and a hydroxyl group
c. an amino group and a carboxyl group
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4. Biomolecules
Proteins
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What type of bond joins the monomers in a protein's primary structure?
A
Hydrogen bond
B
Ionic bond
C
Peptide bond
D
Disulfide bond
Verified step by step guidance1
Understand that proteins are composed of amino acids, which are the monomers that form the protein's primary structure.
Recognize that the primary structure of a protein refers to the linear sequence of amino acids linked together.
Learn that the bond joining these amino acids is called a peptide bond, which is a type of covalent bond.
A peptide bond is formed through a dehydration synthesis reaction between the carboxyl group of one amino acid and the amino group of another.
Visualize the peptide bond formation: the carboxyl group (COOH) of one amino acid reacts with the amino group (NH2) of another, releasing a molecule of water (H2O) and forming the bond.
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