Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 7, Problem 14P
Interpretation Introduction
Interpretation:
The breakdown process of stachyose in the human stomach and intestines is to be described. The contribution of beano in this process and an appropriate name for the active ingredient in Beano are to be stated.
Concept introduction:
Carbohydrates are made up of elements, carbon, hydrogen and oxygen. They are one of the essential macronutrient in our diet. It is the major source of energy and is important for balanced diet. A tetrasaccharide (a carbohydrate that gives four molecules on hydrolysis) that possess
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Chapter 7 Solutions
Biochemistry
Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Prob. 10P
Ch. 7 - Prob. 11PCh. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Prob. 14PCh. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - Answers to all problems are at the end of this...Ch. 7 - 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. 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 οΓthis book. Detailed solutions are available in the Student Solutions Manual. Study Guide, and Problems Book. Enzymes and Y in the figure are both protein-digesting enzymes found in humans. Where would they most likely be at work? X is found in the mouth, Y in the small intestine. X in the small intestine. Y in the mouth. X in the stomach. Y in the small intestine. X in the small intestine. Y in the stomach.
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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. 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. Assessing the Chemistry and Enzymology of “Light Beer� Biochemist Joseph Owades revolutionized the production of beer in the United States by developing a simple treatment with an enzyme that converted regular beer into “light beer, which was marketed aggretssively as a beverage that tastes great, even though it is less filling. What was the enzyme-cataIyzed reaction that Owades used to modify the fermentation process so cleverly, and how is regular beer different from light beer?
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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 Strength of Weak Forces Determines the Environmental Sensitivity of Living Cells Why does the central role of weak forces in biomolecular interactions restrict living systems to a narrow range of environ¬mental conditions? (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. Separating Glycated Hb From Normal Hb (Integrates with Chapters 5 and 6.) Human hemoglobin can react with sugars in the blood (usually glucose) to form covalent adducts. The α-amino groups of N-terminal valine in the Hb -subunits react with the C-1 (aldehyde) carbons of monosaceharides to form aldimine add wets, which rearrange to form very stable ketoamine products. Quantitation of this “glycated hemoglobin is important clinically, especially for diabetic individuals. Suggest at least three methods by which glycated lib (also referred to as HbA1c) could be separated from normal Hb and quantitated.
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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 Dimensions of Eukaryotic Cells and Their ConstituentsAssume that liver cells are cuboidal in shape, 20 m oil a side. (Section 1.5) How many liver cells laid end to end would fit across the diameter of a pinhead? (Assume a pinhead diameter of 0.5 mm) What is the volume of a liver cell? (Assume it is a cube.) What is the surface area of a liver cell? What is the surface-to- volume ratio of a liver cell? How does this compare to the surface-to-volume ratio of an E. coli cell (compare this answer with that of problem 3c)? What problems must cells with low surface-to-volume ratios confront that do not occur in cells with high surface-to-volume ratios? A human liver cell contains two sets of 23 chromosomes, each set being roughly equivalent in information content. The total mass of DNA contained in these 46 enormous DNA molecules is 4 1012 Because each nucleotide pair contributes 660 daltons to the mass of DNA and 0.34 run to the length of DNA, what is the total number of nucleotide pairs and the complete length of the DNA in a liver cell? How does this length compare with the overall dimensions of a liver cell? The maximal information in each set of liver cell chromosomes should be related to the number of nucleotide pairs in the chromosome set's DNA. This number can be obtained by dividing the total number of nucleotide pairs just calculated by 2. What is this value? If this information is expressed in proteins that average 400 amino acids in length and three nucleotide pairs encode one amino acid in a protein, how many different kinds of proteins might a liver cell be able to produce? (In reality, liver cell DNA encodes approximately 20,000 different proteins. Thus a large discrepancy exists between the theoretical information content of DNA in liver cells and the amount of information actually expressed.)
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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. Potential Treatment of Sickle-Cell Anemia by Drugs Targeted to HbS You land a post as scientific- investigator with a pharmaceutical company that would like to develop drugs to treat people with sickle-cell anemia. They want ideas from you! What molecular properties of Hb S might you suggest as potential targets of drug therapy?
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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. Calculate the pH in a Muscle Cell from the HPO42-/H2PO4Ratio If the internal pH of a muscle cell is 6.8, what is the [HPO42-]/ [H2PO4-] ratio in this 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 Formation and Composition of Limit Dextrins Prolonged exposure of amylopectin to starch phosphorylase yields a substance called a limit dextrin. Describe the chemical composition of limit dextrins. and draw a mechanism for the enzyme-catalyzed rcactioa that can begin the breakdown of a limit dextrin.
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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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