None Describe the following amino acids as having hydrophobic side chain, polar side chain,acidic side chain or basic side chain.a. Glutamic acidb. Asparaginec. Valined. Histidine

Answered: Describe the following amino acids as…

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter21: Biochemistry

Section: Chapter Questions

Problem 1STP

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What functional groups are found in all amino acids? How many different amino acids are found in naturally occurring proteins?
Why is complete hydrolysis of a protein not also protein denaturation?
(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.
Which 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.
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.
What special role does the amino acid cysteine have in the peptides vasopressin and oxytocin?
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?
In what way is the structure of glycine different from that of the other 19 common amino acids?
Draw a segment of the backbone of a protein that is long enough for three peptide linkages to be present.
For the tripeptide SerArgIle which amino acid residues a. are hydrophilic b. are hydrophobic c. possess polar neutral R groups d. participate in two amide linkages

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Describe the following amino acids as having hydrophobic side chain, polar side chain, acidic side chain or basic side chain. a. Glutamic acid b. Asparagine c. Valine d. Histidine