Concept explainers
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(a)
Interpretation:
The functional group present in the side chain of given amino acid is to be stated.
Concept introduction:
The replacement of the hydrogen by other
(b)
Interpretation:
The functional group present in the side chain of given amino acid is to be stated.
Concept introduction:
The replacement of the hydrogen by other functional groups in the chemical formula for alkanes gives different compounds. These functional groups have a particular set of atom. Attaching the functional groups to the alkane changes the properties of alkanes. Each functional group has a set of certain properties possessed by all the compounds having that functional group.
(c)
Interpretation:
The functional group present in the side chain of given amino acid is to be stated.
Concept introduction:
The replacement of the hydrogen by other functional groups in the chemical formula for alkanes gives different compounds. These functional groups have a particular set of atom. Attaching the functional groups to the alkane changes the properties of alkanes. Each functional group has a set of certain properties possessed by all the compounds having that functional group.
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Chapter 2 Solutions
Organic Chemistry
- Do the amino acid sequences: valine-asparagine and asparagine-valine represent the same compound? Explain.arrow_forwardWhat special role does the amino acid cysteine have in the peptides vasopressin and oxytocin?arrow_forward22-62 Distinguish between intermolecular and intramolecular hydrogen bonding between backbone groups. Where in protein structures do you find one, and where do you find the other?arrow_forward
- . How many unique amino acid sequences are possible for a tripeptide containing only the amino acids gly, ala, and cys, with each amino acid occurring only once in each molecule?arrow_forwardTo which family of mirror-image isomers do nearly all naturally occurring amino acids belong?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
- In what way is the structure of glycine different from that of the other 19 common amino acids?arrow_forward22-59 What is the effect of salt bridges on the tertiary structure of proteins?arrow_forward22-53 Do iron and zinc ions play role in protein structure? If so, what is the role for either or both?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_forwardFor the tripeptide SerArgIle which amino acid residues a. are hydrophilic b. are hydrophobic c. possess polar neutral R groups d. participate in two amide linkagesarrow_forwardWhich 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_forward
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