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Concept explainers
(a)
Interpretation:
Whether the following amino acid is naturally occurring or not and name of the amino acid including its D or L designation should be stated:
Concept Introduction:
The organic compound that is composed of an amino group and carboxylic group along with an organic chain is known as an amino acid.
(b)
Interpretation:
Whether the following amino acid is naturally occurring or not and name of the amino acid including its D or L designation should be stated:
Concept Introduction:
The organic compound that is composed of an amino group and carboxylic group along with an organic chain is known as an amino acid.
(c)
Interpretation:
Whether the following amino acid is naturally occurring or not and name of the amino acid including its D or L designation should be stated:
Concept Introduction:
The organic compound that is composed of an amino group and carboxylic group along with an organic chain is known as an amino acid.
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Chapter 21 Solutions
EBK GENERAL, ORGANIC, & BIOLOGICAL CHEM
- To which family of mirror-image isomers do nearly all naturally occurring amino acids belong?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_forward(a) How many tripeptides can be made from glycine, alanine, and leucine, using each amino acid only once per tripeptide? (b) Write the structural formulas of these tripeptides and name them in the shorthand abbreviation used for showing amino acid sequences.arrow_forward
- Consider 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_forwardConsider the tripeptide tyrosylleucylisoleucine. 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 an acidic side chain?arrow_forwardFill in the blanks in the following statements: aThe order of the amino acids in a protein is the ______ structure of that protein. The _______ of the backbone chain of a protein is the secondary structure of that protein. The tertiary structure of a protein describes the ______ of the secondary structure. b Hydrogen bonding between the oxygen atoms of carbonyl groups and the hydrogen atoms of amide groups in the same protein chain gives the secondary structure, called the ______. c Hydrogen bonding between the oxygen atoms of carbonyl groups and the hydrogen atoms of amide groups in the adjacent protein chain gives the secondary structure, called the ______.arrow_forward
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