Biochemistry
6th Edition
ISBN: 9781305577206
Author: Reginald H. Garrett, Charles M. Grisham
Publisher: Cengage Learning
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Interatomic Distances in Weak Forces versus
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Biochemistry
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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 the pH of a Solution of a Weak Acid; Calculating the pH of the Solution after the Addition of Strong Base The ka for formic acid is 1.78 10-4 M. What is the pH of a 0.1 M solution of formic acid? 150 mL of 0.1 M NaOH is added to 200 mL of 0.1 M formic acid, and water is added to give a final volume of 1 L. What is the pH of the final solution?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. 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.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. 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?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. How to Prepare a Buffer Solution: An Anserine Buffer Draw the titration curve for anserine (Figure 2.16). The isoelectric point of anserine is the pH where the net charge on the molecule is zero: what is the isoelectric point for anserine? Given a 0.1 M solution of anserine at its isoelectric point and ready access to 0.1 M HCl, 0.1 M NaOH, and distilled water, describe the preparation of 1 L of 0.04 M anserine buffer solution. pH 7.2.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 Structure and Ionization Properties of Nucleotides Draw the principal ionic species of occurring at pH 2.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. Understanding Isoprene Structures Refer to Figure 8.13 and draw each of the structures shown and try to identify the isoprene units in each of the molecules. (Note that there may be more than one correct answer for some of these molecules, unless you have the time and facilities to carry out 14C labeling studies with suitable organisms.)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. Polyprotic Adds: Phosphate Species Abundance at Different pHs Whatare the approximate fractional concentrations of the following phosphate species at pH values of 0,2, 4, 6, 8, 10, and 12? H3PO4 24- HPO42- PO43-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. Preparing a Phosphate Buffer Solution of pH 7.5 from Solutions of Na3PO4 and H3PO4 Given 0.1 M solutions of Na3PO4, and H3PO4 describe the preparation of 1 L of a phosphate buffer at a pH of 7.5. What are the molar concentrations of the ions in the final buffer solution, including Na+ and H+?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. 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.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. Calculating [H] and pKd from the pH of a Solution of Weak Acid The pH of a 0.02 M solution of an acid was measured at 4.6. What is the [H+] in this solution? Calculate the acid dissociation constant Ka and pKa for this acid.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 Properties of Informational Macromolecules What structural features allow biological polymers to be informational macromolecules? Is it possible for polysaccharides to be informational macromolecules? (Section 1.4)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. Understanding Resonance Structures Draw all possible resonance structures for creatine phosphate and discuss their possible effects on resonance stabilization of the molecule.arrow_forward
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