Concept explainers
(a)
Interpretation: The name of the standard amino acids that have side chains with the given characteristic has to be stated.
Concept introduction: Amino acid is a compound that is composed of
(b)
Interpretation: The name of the standard amino acids that have side chains with the given characteristic has to be stated.
Concept introduction: Amino acid is a compound that is composed of
(c)
Interpretation: The name of the standard amino acids that have side chains with the given characteristic has to be stated.
Concept introduction: Amino acid is a compound that is composed of
(d)
Interpretation: The name of the standard amino acids that have side chains with the given characteristic has to be stated.
Concept introduction: Amino acid is a compound that is composed of
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General, Organic, and Biological Chemistry
- What element is always present in proteins that is seldom present in carbohydrates and lipids?arrow_forwardTo which family of mirror-image isomers do nearly all naturally occurring amino acids belong?arrow_forwardHow many carbon atoms are present in the R group in each of the following standard amino acids?arrow_forward
- Which of the following describes the primary structure of proteins? a. The collective shape assumed by all of the chains in a protein containing multiple chains. b. The folding of an individual protein molecule. c. The regular repeated shape of the protein molecules backbone. d. The sequence of amino acids bonded together by peptide bonds.arrow_forwardWhich of the following are true concerning the chemical bond that forms between the carboxyl (RCOOH) group of one amino acid and the amino (RCNH2) group of another? a.The bond is called a peptide bond. b.It is formed by inserting a water molecule between them. c.It is formed by a dehydration reaction. d.A polypeptide has more of these bonds than a protein.arrow_forwardConsider the tripeptide leucylvalyltryptophan. a. Specify its structure using three-letter symbols for the amino acids. b. How many peptide bonds are present within the peptide? c. Which of the amino acid residues has the largest R group? d. Which of the amino acid residues, if any, has a basic side chain?arrow_forward
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