Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 2, Problem 19P
Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions manual Study Guide, and Problems Book.
Calculate the Concentration of Lactate in Blood Plasma at pH 7.4 If [Lactic Acid] = 1.5 μM From the pKa for lactic acid given in Table 2.4, calculate the concentration of lactate in blood plasma (pH = 7.4) if the concentration of lactic acid is 15 μM.
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Biochemistry
Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...
Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Prob. 14PCh. 2 - Answers to all problems are at the end of this...Ch. 2 - Prob. 16PCh. 2 - Answers to all problems are at the end of this...Ch. 2 - Prob. 18PCh. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Answers to all problems are at the end of this...Ch. 2 - Prob. 22PCh. 2 - Answers to all problems are at the end of this...
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Interpreting Kinetics Experiments from Graphical Patterns The following graphical patterns obtained from kinetic experiments have several possible interpretations depending on the nature of the experiment and the variables being plotted. Give at least two possibilities for each.
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Use examples from the ActiveModel for Human GaleLtin-1 to describe the hydrophobic effect.
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. (Research Problem) The Nature and Roles of Linear Motifs in Proteins In addition to domains and modules, there are other significant sequence patterns in proteins—known as linear motifs—that are associated with a particular function. Consult the biochemical literature to answer the following questions: 1. What are linear motifs? 2. How are they different from domains?. 3. What are their functions? 4. How can they be characterized? 5. There are several papers that are good starting points for this problem. Neduva, V., and Russell, R., 2005. Linear motifs: evolutionary interaction switches. FEBS Letters 579:3342-3345. Gibson, T., 2009. Cell regulation: determined to signal discrete cooperation. Trends in Biochemical Sciences 34:471-482. Diella, K. Haslam, N., Chica., C. et aL, 2009. Understanding eukaryotic linear motifs and their role in cell signaling and regulation. Frontiers of Bioscience 13:6580-6603.
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Determining the Branch Points and Reducing Ends of Amylopectin A 0.2-g sample of amylopectin was analyzed to determine the fraction of the total glucose residues, that are branch points in the structure. The sample was exhaustively methylated and then digested, yielding 50-mol of 2,3-dimethylgluetose and 0.4 mol of 1,2,3,6- letramethylglucose. What fraction of the total residues are branch points? I low many reducing ends does this sample of amylopectin have?
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Calculating [H+] from pH Calculate the following from the pH values given in Table 2.3. [H+] in vinegar [H+] in saliva [H+] in household ammonia [OH-] in milk of magnesia [OH-] in beer [H+] inside a liver cell
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Assessing the Effect of Temperature on Equilibrium You are studying the various components of the venom of a poisonous lizard. One of the venom components is a protein that appears to be temperature sensitive. When heated, it denatures and is no longer toxic. The process can be described by the following simple equation: There is only enough protein from this venom to carry out two equilibrium measurements. At 298 K, you find that 98% of the protein is in its to.\ic form. However, when you raise the temperature to 320 �.. you find that only 10% of the protein is in its toxic form. Calculate the equilibrium constants for the T to N conversion at these two temperatures. Use the data to determine the H,S, and G for this process.
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Answers to all problems are at the end of this book Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Solving the Sequence of an Oligopeptide From Sequence Analysis Data Analysis of the blood of a catatonic football fan revealed large concentrations of a. psychologic octapeptide. Amino acid analysis of this oclapeplide gave the following results: 2 Ala lArg 1 Asp 1 Mel 2 Tyr I Val 1NH/ The following facts were observed: Partial acid hydrolysis of the octapeptide yielded a dipeptide of the structure Chymolrypsin treatment of the octapeplide yielded two tetrapeptides, each containing an alanine residue. Trypsin treatment of one of the tetrapeptides yielded two dipeptides. Cyanogen bromide treatment of another sample of the same tetrapeplide yielded a tripeplideand free Tyr. N-lerminal analysis of the other tetrapeptide gave Asn. What is the amino acid sequence of this oclapeplide?
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Cells as Steady-State Systems Describe what is meant by the phrase "cells tire steady-state systems." (Section 1.4)
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Plot the Titration Curve for Bicine and Calculate How to Prepare a pH 7.5 Bicine Buffer Solution Bicine (N, N—bis (2-hydroxyethyl) glycine) is another commonly used buffer in biochemistry labs. The structure of Bicine in its fully protonated form is shown here: Draw the titration curve for Bicine. assuming the pA'a for its free COOH group is 2.3 and the pAa for its tertiary amino group is 8.3. Draw the structure of the fully deprotonated form (completely dissociated form) of bicine. You have available a U.l Msolution of Bicine at its isoelectric point (pH|)T 0.1 M solutions of HCI and NaOH. and ample distilled water. Describe the preparation of 1 L of 0.U4 M Bicine buffer. pH 7.5. What is the concentration of the fully protonated form of Bicine in your final buffer solution?
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. The Biosynthetic Capacity of Cells The nutritional requirements of Escherichia coli cells are far simpler than those of humans, yet the macromolecules found in bacteria are about as complex as those of animals. Because bacteria can make all their essential biomolecules while subsisting on a simpler diet, do you think bacteria may have more biosynthetic capacity and hence more metabolic complexity than animals? Organize your thoughts on this question, pro and con, into a rational argument. (Section 1.5)
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. General Controls Over Enzyme Activity List six general ways in which enzyme activity is controlled.
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Answers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. The Role of Proline Residues in -Turns Pro is the amino acid least commonly found in «-helices but most commonly found in -turns. Discuss the reasons for this behavior.
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