Introduction To General, Organic, And Biochemistry
12th Edition
ISBN: 9781337571357
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Question
Chapter 21, Problem 15P
Interpretation Introduction
Interpretation:
At room temperature, all amino acids are solid, why. Explain.
Concept Introduction:
In the structure of amino acids there is one
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Check out a sample textbook solutionChapter 21 Solutions
Introduction To General, Organic, And Biochemistry
Ch. 21.1 - Prob. 21.1QCCh. 21.2 - Prob. 21.2QCCh. 21.3 - What is the overall charge (+,0, or ) for the...Ch. 21.4 - Problem 22-1 Show how to form the dipeptide...Ch. 21.5 - Prob. 21.5QCCh. 21.7 - Prob. 21.6QCCh. 21.8 - Prob. 21.7QCCh. 21.8 - Prob. 21.8QCCh. 21.10 - Prob. 21.9QCCh. 21 - 22-5 What are the functions of (a) ovalbumin and...
Ch. 21 - 22-6 The members of which class of proteins are...Ch. 21 - 22-7 What is the function of an immunoglobulin?Ch. 21 - Prob. 4PCh. 21 - 22-9 What is the difference in structure between...Ch. 21 - 22-10 Classify the following amino acids as...Ch. 21 - 22-11 Which amino acid has the highest percentage...Ch. 21 - Prob. 8PCh. 21 - Prob. 9PCh. 21 - Prob. 10PCh. 21 - Prob. 11PCh. 21 - Prob. 12PCh. 21 - 22-17 What are the similarities and differences in...Ch. 21 - 22-18 Draw the structures of L- and D-valine.Ch. 21 - Prob. 15PCh. 21 - 22-20 Show how alanine, in solution at its...Ch. 21 - 22-21 Explain why an amino acid cannot exist in an...Ch. 21 - 22-22 Draw the structure of valine at pH 1 and at...Ch. 21 - Prob. 19PCh. 21 - 22-24 Draw the most predominant form of histidine...Ch. 21 - 22-25 Draw the most predominant form of lysine at...Ch. 21 - Prob. 22PCh. 21 - 22-27 Show by chemical equations how alanine and...Ch. 21 - 22-28 A tetrapeptide is abbreviated as DPKH. Which...Ch. 21 - 22-29 Draw the structure of a tripeptide made of...Ch. 21 - 22-30 (a) Use the three-letter abbreviations to...Ch. 21 - 22-31 A polypeptide chain is made of alternating...Ch. 21 - Prob. 28PCh. 21 - 22-33 Which of the three functional groups on...Ch. 21 - Prob. 30PCh. 21 - 22-35 Why is histidine considered a basic amino...Ch. 21 - Prob. 32PCh. 21 - Prob. 33PCh. 21 - 22-38 Why does proline not absorb light at 280 nm?Ch. 21 - Prob. 35PCh. 21 - Prob. 36PCh. 21 - Prob. 37PCh. 21 - 22-42 (a) How many atoms of the peptide bond lie...Ch. 21 - 22-43 (a) Draw the structural formula of the...Ch. 21 - 22-44 How can a protein act as a buffer?Ch. 21 - 22-45 Proteins are least soluble at their...Ch. 21 - 22-46 How many different tripeptides can be made...Ch. 21 - 22-47 How many different tetrapeptides can be made...Ch. 21 - 22-48 How many amino acid residues in the A chain...Ch. 21 - 22-49 Based on your knowledge of the chemical...Ch. 21 - Prob. 46PCh. 21 - 22-59 What is the effect of salt bridges on the...Ch. 21 - Prob. 48PCh. 21 - 22-61 Polyglutamic acid (a polypeptide chain made...Ch. 21 - 22-62 Distinguish between intermolecular and...Ch. 21 - 22-63 Identify the primary, secondary, and...Ch. 21 - 22-64 If both cysteine residues on the B chain of...Ch. 21 - 22-65 (a) What is the difference in the quaternary...Ch. 21 - Prob. 54PCh. 21 - Prob. 55PCh. 21 - Prob. 56PCh. 21 - Prob. 57PCh. 21 - Prob. 58PCh. 21 - 22-71 Which amino acid side chain is most...Ch. 21 - 22-72 What does the reducing agent do in...Ch. 21 - 22-73 Silver nitrate is sometimes put into the...Ch. 21 - 22-74 Why do nurses and physicians use 70% alcohol...Ch. 21 - Prob. 63PCh. 21 - (Chemical Connections 21B ) AGE products become...Ch. 21 - Prob. 65PCh. 21 - Prob. 66PCh. 21 - Prob. 67PCh. 21 - Prob. 68PCh. 21 - Prob. 69PCh. 21 - 22-84 How many different dipeptides can be made...Ch. 21 - 22-85 Denaturation is usually associated with...Ch. 21 - Prob. 72PCh. 21 - Prob. 73PCh. 21 - Prob. 74PCh. 21 - 22-89 What kind of noncovalent interaction occurs...Ch. 21 - Prob. 76PCh. 21 - 22-91 Which amino acid does not rotate the plane...Ch. 21 - 22-92 Write the expected products of the acid...Ch. 21 - 22-93 What charges are on aspartic acid at pH 2.0?Ch. 21 - Prob. 80PCh. 21 - Prob. 81PCh. 21 - Prob. 82PCh. 21 - 22-97 Gelatin is derived from collagen by...Ch. 21 - Prob. 84PCh. 21 - Prob. 85PCh. 21 - Prob. 86PCh. 21 - 22-101 Using what you know about protein...Ch. 21 - 22-104 Why is collagen not a very good source of...Ch. 21 - Prob. 89P
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- 22-53 Do iron and zinc ions play role in protein structure? If so, what is the role for either or both?arrow_forwardWhat functional groups are found in all amino acids? How many different amino acids are found in naturally occurring proteins?arrow_forwardTo which family of mirror-image isomers do nearly all naturally occurring amino acids belong?arrow_forward
- What element is always present in proteins that is seldom present in carbohydrates and lipids?arrow_forward21-90 To what extent do lipids and carbohydrates play structural roles in living organisms? Do these roles differ in plants and in animals?arrow_forwardGive an example of amino acids that could give rise to the interactions pictured in Fig. 21-24 that maintain the tertiary structures of proteins.arrow_forward
- 22-101 Using what you know about protein denaturation, what is one reason you must maintain a body temperature in a strict range?arrow_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_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_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY