Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Chapter 14, Problem 19P
Answers to all problems are at the end οΓthis book. Detailed solutions are available in the Student Solutions Manual. Study Guide, and Problems Book.
Review the mechanisms of the .serine and aspartic proteases, and compare these two mechanisms carefully. Are there steps m die mechanisms that are similar? How are they similar? How are they different? Suggest experiments that could support or refute your hypotheses.
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Chapter 14 Solutions
Biochemistry
Ch. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Prob. 3PCh. 14 - Prob. 4PCh. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Prob. 6PCh. 14 - Prob. 7PCh. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Answers to all problems are at the end οf this...Ch. 14 - Answers to all problems are at the end οf this...
Ch. 14 - Answers to all problems are at the end of this...Ch. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Prob. 14PCh. 14 - Prob. 15PCh. 14 - Prob. 16PCh. 14 - Prob. 17PCh. 14 - Prob. 18PCh. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Answers to all problems are at the end οΓthis...Ch. 14 - Prob. 22PCh. 14 - Prob. 23PCh. 14 - Prob. 24PCh. 14 - Prob. 25PCh. 14 - Prob. 26P
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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. Why zymogens Are Advantageous Why do you suppose proteolytic enzymes are- often synthesized as inactive zymogens?arrow_forwardAnswers to all problems are at the end οΓthis book. Detailed solutions are available in the Student Solutions Manual. Study Guide, and Problems Book. Superbug infections are becoming more common around the world. Many of these infections arise from the action of -lactamases, of which there are several types with different mechanisms of action. Consult the end-of-chapter reference by von Nussbaum and Schiffer and write detailed mechanisms for the serine -lactamases and metallo- -lactamases.arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. Examine the ActiveModle for N-myristoylt ranjsferase and explain the mechanism of N-myristolation.arrow_forward
- 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.arrow_forwardAnswers 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 Amino acid analysis of a decapeptide revealed the presence of the following products: The following facts were observed: Neither car boxy peptidase A nor B treatment of the- decapeptide had any effect. Trypsin treatment yielded two tetrapcptides and free Lys. Clostripain treatment yielded a tetrapcptide and a hexapeptidc. Cyanogen bromide treatment yielded an octapeptide and a dipeptide of sequence NP (using the one-letter codes). Chymotrypsin treatment yielded two tripeptides and a telrapeptide. The N-terminal chymotryptic peptide had a net charge of — 1 at neutral pi I and a net charge of —3 al pH 12. One cycle of Ed man degradation gave the PTH derivative What is the ammo acid sequence of this decapeptide?arrow_forwardAnswers 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.arrow_forward
- 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. Evaluation of -Helices in Proteins The hem agglutinin protein in influenza virus contains a remarkably long -helix, with 53 residues. How long is this -helix (in nm)? How many turns does this helix have? The typical residue in an -helix is involved in two H bonds. How many H bonds are present in this helix?arrow_forwardAnswers 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.arrow_forwardAnswers 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)arrow_forward
- 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. Knowing Abbreviations for Amino Acids Without reference to the text, give the one-letter and three-letter abbreviations for asparagine, arginine. Cysteine, lysine, tyrosine, tyrosine, and tryptophan.arrow_forwardAnswers to all problems are at the end of this book. Detailed solutions are available in the Student Solutions Manual, Study Guide, and Problems Book. One Way Negative Cooperatively Might Make Metabolic Sense Allosteric enzymes that sit at branch, points leading to several essential products sometimes display negative cooperativity for feedback inhibition (allosteric inhibition) by one of the products. What might be the advantage of negative cooperativity instead of positive cooperativity in feedback inhibitor binding by such enzymes?arrow_forward
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