Introduction to General, Organic and Biochemistry
11th Edition
ISBN: 9781285869759
Author: Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher: Cengage Learning
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Chapter 22, Problem 22.79P
Interpretation Introduction
Interpretation:
Mention the difference in the conformation between the normal and amyloid prion that causes mad cow disease.
Concept Introduction:
The misfolded proteins that are characterize several fatal neurodegenerative diseases in humans and animals is said to be prions.
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Chapter 22 Solutions
Introduction to General, Organic and Biochemistry
Ch. 22.4 - Problem 22-1 Show how to form the dipeptide...Ch. 22.10 - Problem 22-2 What is the oxidation number (the...Ch. 22.10 - Prob. 22.3PCh. 22.11 - Prob. 22.4PCh. 22 - 22-5 What are the functions of (a) ovalbumin and...Ch. 22 - 22-6 The members of which class of proteins are...Ch. 22 - 22-7 What is the function of an immunoglobulin?Ch. 22 - Prob. 22.8PCh. 22 - 22-9 What is the difference in structure between...Ch. 22 - 22-10 Classify the following amino acids as...
Ch. 22 - 22-11 Which amino acid has the highest percentage...Ch. 22 - Prob. 22.12PCh. 22 - Prob. 22.13PCh. 22 - Prob. 22.14PCh. 22 - Prob. 22.15PCh. 22 - 22-16 Which amino acids in Table 22-1 have more...Ch. 22 - 22-17 What are the similarities and differences in...Ch. 22 - 22-18 Draw the structures of L- and D-valine.Ch. 22 - Prob. 22.19PCh. 22 - 22-20 Show how alanine, in solution at its...Ch. 22 - 22-21 Explain why an amino acid cannot exist in an...Ch. 22 - 22-22 Draw the structure of valine at pH 1 and at...Ch. 22 - Prob. 22.23PCh. 22 - 22-24 Draw the most predominant form of histidine...Ch. 22 - 22-25 Draw the most predominant form of lysine at...Ch. 22 - Prob. 22.26PCh. 22 - 22-27 Show by chemical equations how alanine and...Ch. 22 - 22-28 A tetrapeptide is abbreviated as DPKH. Which...Ch. 22 - 22-29 Draw the structure of a tripeptide made of...Ch. 22 - 22-30 (a) Use the three-letter abbreviations to...Ch. 22 - 22-31 A polypeptide chain is made of alternating...Ch. 22 - Prob. 22.32PCh. 22 - 22-33 Which of the three functional groups on...Ch. 22 - Prob. 22.34PCh. 22 - 22-35 Why is histidine considered a basic amino...Ch. 22 - Prob. 22.36PCh. 22 - Prob. 22.37PCh. 22 - 22-38 Why does proline not absorb light at 280 nm?Ch. 22 - Prob. 22.39PCh. 22 - Prob. 22.40PCh. 22 - Prob. 22.41PCh. 22 - 22-42 (a) How many atoms of the peptide bond lie...Ch. 22 - 22-43 (a) Draw the structural formula of the...Ch. 22 - 22-44 How can a protein act as a buffer?Ch. 22 - 22-45 Proteins are least soluble at their...Ch. 22 - 22-46 How many different tripeptides can be made...Ch. 22 - 22-47 How many different tetrapeptides can be made...Ch. 22 - 22-48 How many amino acid residues in the A chain...Ch. 22 - 22-49 Based on your knowledge of the chemical...Ch. 22 - 22-50 Is a random coil a (a) primary, (b)...Ch. 22 - 22-51 Decide whether the following structures that...Ch. 22 - Prob. 22.52PCh. 22 - 22-53 Do iron and zinc ions play role in protein...Ch. 22 - Prob. 22.54PCh. 22 - 22-55 Consider the coordination compound Fe(CO)5...Ch. 22 - Prob. 22.56PCh. 22 - 22-57 Consider the coordination compound...Ch. 22 - Prob. 22.58PCh. 22 - 22-59 What is the effect of salt bridges on the...Ch. 22 - Prob. 22.60PCh. 22 - 22-61 Polyglutamic acid (a polypeptide chain made...Ch. 22 - 22-62 Distinguish between intermolecular and...Ch. 22 - 22-63 Identify the primary, secondary, and...Ch. 22 - 22-64 If both cysteine residues on the B chain of...Ch. 22 - 22-65 (a) What is the difference in the quaternary...Ch. 22 - Prob. 22.66PCh. 22 - Prob. 22.67PCh. 22 - Prob. 22.68PCh. 22 - Prob. 22.69PCh. 22 - Prob. 22.70PCh. 22 - 22-71 Which amino acid side chain is most...Ch. 22 - 22-72 What does the reducing agent do in...Ch. 22 - 22-73 Silver nitrate is sometimes put into the...Ch. 22 - 22-74 Why do nurses and physicians use 70% alcohol...Ch. 22 - 22-75 (Chemical Connections 22A) Why must some...Ch. 22 - Prob. 22.76PCh. 22 - Prob. 22.77PCh. 22 - Prob. 22.78PCh. 22 - Prob. 22.79PCh. 22 - Prob. 22.80PCh. 22 - Prob. 22.81PCh. 22 - 22-82 (Chemical Connections 22H) How does the...Ch. 22 - Prob. 22.83PCh. 22 - 22-84 How many different dipeptides can be made...Ch. 22 - 22-85 Denaturation is usually associated with...Ch. 22 - Prob. 22.86PCh. 22 - Prob. 22.87PCh. 22 - Prob. 22.88PCh. 22 - 22-89 What kind of noncovalent interaction occurs...Ch. 22 - Prob. 22.90PCh. 22 - 22-91 Which amino acid does not rotate the plane...Ch. 22 - 22-92 Write the expected products of the acid...Ch. 22 - 22-93 What charges are on aspartic acid at pH 2.0?Ch. 22 - Prob. 22.94PCh. 22 - Prob. 22.95PCh. 22 - Prob. 22.96PCh. 22 - 22-97 Gelatin is derived from collagen by...Ch. 22 - Prob. 22.98PCh. 22 - Prob. 22.99PCh. 22 - Prob. 22.100PCh. 22 - 22-101 Using what you know about protein...Ch. 22 - Prob. 22.102PCh. 22 - Prob. 22.103PCh. 22 - 22-104 Why is collagen not a very good source of...Ch. 22 - Prob. 22.105P
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- Please correct answer and don't used hand raitingarrow_forward(a) The following synthesis of the molecule shown in the circle has a major problem. What is this problem? (2 pts) 1) HBr (no peroxides) 2) H- NaNH2 Br 3) NaNH, 4) CH3Br 5) H2, Pd (b) Starting with the molecule shown below and any other materials with two carbons or less, write out an alternate synthesis of the circled molecule. More than one step is needed. Indicate the reagent(s) and the major product in all the steps in your synthesis. (5 pts) 2024 Fall Term (1) Organic Chemistry 1 (Lec) CHEM 22204 02[6386] (Hunter College) (c) Using the same starting material as in part (b) and any other materials win two carpons or less, write out syntheses of the circled molecules shown below. More than one step is needed in each case. Indicate the reagent(s) and the major product in all the steps in your synthesis. You may use reactions and products from your synthesis in part (b). (5 pts)arrow_forwardalt ons for Free Response Questions FRQ 1: 0/5 To spectrophotometrically determine the mass percent of cobalt in an ore containing cobalt and some inert materials, solutions with known [Co?) are prepared and absorbance of each of the solutions is measured at the wavelength of optimum absorbance. The data are used to create a calibration plot, shown below. 0.90- 0.80- 0.70 0.60 0.50 0.40- 0.30 0.20- 0.10- 0.00- 0.005 0.010 Concentration (M) 0.015 A 0.630 g sample of the ore is completely dissolved in concentrated HNO3(aq). The mixture is diluted with water to a final volume of 50.00 ml. Assume that all the cobalt in the ore sample is converted to Co2+(aq). a. What is the [Co2] in the solution if the absorbance of a sample of the solution is 0.74? 13 ✗ b. Calculate the number of moles of Co2+(aq) in the 50.00 mL solution. 0.008 mols Coarrow_forward
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