Solutions for Biochemistry
Problem 1RE:
REFLECT AND APPLY Why is water necessary for life?Problem 2RE:
REFLECT AND APPLY Contemplate biochemistry if atoms did not differ in electronegativity.Problem 3RE:
RECALL What is a van der Waals force?Problem 4RE:
RECALL What is an induced dipole?Problem 5RE:
RECALL What is a salt bridge?Problem 7RE:
REFLECT AND APPLY Which would you think would be a stronger interaction and why: an interaction...Problem 10RE:
REFLECT AND APPLY Why do you think that most textbooks do not consider a hydrogen bond to be an...Problem 11RE:
RECALL What are some macromolecules that have hydrogen bonds as a part of their structures?Problem 12RE:
BIOCHEMICAL CONNECTIONS How are hydrogen bonds involved in the transfer of genetic information?Problem 13RE:
REFLECT AND APPLY Rationalize the fact that hydrogen bonding has not been observed between CH4...Problem 14RE:
REFLECT AND APPLY Draw three examples of types of molecules that can form hydrogen bonds.Problem 15RE:
RECALL What are the requirements for molecules to form hydrogen bonds? (What atoms must be present...Problem 16RE:
REFLECT AND APPLY Many properties of acetic acid can be rationalized in terms of a hydrogen-bonded...Problem 17RE:
REFLECT AND APPLY How many water molecules could hydrogen-bond directly to the molecules of glucose,...Problem 18RE:
REFLECT AND APPLY Both RNA and DNA have negatively charged phosphate groups as part of their...Problem 19RE:
RECALL Identify the conjugate acids and bases in the following pairs of substances: (a)...Problem 21RE:
REFLECT AND APPLY Aspirin is an acid with a pKa of 3.5; its structure includes a carboxyl group. To...Problem 22RE:
RECALL Why does the pH change by one unit if the hydrogen ion concentration changes by a factor of...Problem 23RE:
MATHEMATICAL Calculate the hydrogen ion concentration, [H+], for each of the following materials:...Problem 24RE:
MATHEMATICAL Calculate the hydrogen ion concentration, [H+], for each of the following materials:...Problem 25RE:
MATHEMATICAL Calculate the hydroxide ion concentration, [OH], for each of the materials used in...Problem 26RE:
RECALL Define the following: (a) Acid dissociation constant (b) Acid strength (c) Amphipathic (d)...Problem 28RE:
REFLECT AND APPLY Look at Figure 2.17. If you did this titration using TRIS instead of phosphate,...Problem 29RE:
BIOCHEMICAL CONNECTIONS List the criteria used to select a buffer for a biochemical reaction.Problem 30RE:
BIOCHEMICAL CONNECTIONS What is the relationship between pKa and the useful range of a buffer?Problem 35RE:
MATHEMATICAL How would you prepare 1 L of a 0.050 M phosphate buffer at pH 7.5 using crystalline...Problem 36RE:
MATHEMATICAL The buffer needed for Question 35 can also be prepared using crystalline NaH2PO4 and a...Problem 37RE:
MATHEMATICAL Calculate the pH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid...Problem 38RE:
MATHEMATICAL Calculate the pH of a buffer solution prepared by mixing 25 mL of 1.0 M lactic acid and...Problem 39RE:
MATHEMATICAL Calculate the pH of a buffer solution that contains 0.10 M acetic acid (Table 2.6) and...Problem 40RE:
MATHEMATICAL A catalog in the lab has a recipe for preparing 1 L of a TRIS buffer at 0.0500 M and...Problem 41RE:
MATHEMATICAL If you mix equal volumes of 0.1 M HCl and 0.20 M TRIS (free amine form; see Table 2.8),...Problem 43RE:
MATHEMATICAL If you have 100 mL of a 0.10 M TRIS buffer at pH 8.3 (Table 2.8) and you add 3.0 mL of...Problem 44RE:
MATHEMATICAL What would be the pH of the solution in Question 43 if you were to add 3.0 mL more of 1...Problem 46RE:
MATHEMATICAL What is the ratio of concentrations of acetate ion and undissociated acetic acid in a...Problem 47RE:
BIOCHEMICAL CONNECTIONS You need to carry out an enzymatic reaction at pH 7.5. A friend suggests a...Problem 50RE:
BIOCHEMICAL CONNECTIONS Which of the buffers shown in Table 2.8 would you choose to make a buffer...Problem 52RE:
REFLECT AND APPLY In Section 2-4, we said that at the equivalence point of a titration of acetic...Problem 53RE:
MATHEMATICAL Define buffering capacity. How do the following buffers differ in buffering capacity?...Problem 54RE:
BIOCHEMICAL CONNECTIONS If you wanted to make a HEPES buffer at pH 8.3, and you had both HEPES acid...Browse All Chapters of This Textbook
Chapter 1 - Biochemistry And The Organization Of CellsChapter 2 - Water: The Solvent For Biochemical ReactionsChapter 3 - Amino Acids And PeptidesChapter 4 - The Three-dimensional Structure Of ProteinsChapter 5 - Protein Purification And Characterization TechniquesChapter 6 - The Behavior Of Proteins: EnzymesChapter 7 - The Behavior Of Proteins: Enzymes, Mechanisms, And ControlChapter 8 - Lipids And Proteins Are Associated In Biological MembranesChapter 9 - Nucleic Acids: How Structure Conveys InformationChapter 10 - Biosynthesis Of Nucleic Acids: Replication
Chapter 11 - Transcription Of The Genetic Code: The Biosynthesis Of RnaChapter 12 - Protein Synthesis: Translation Of The Genetic MessageChapter 13 - Nucleic Acid Biotechnology TechniquesChapter 14 - Viruses, Cancer, And ImmunologyChapter 15 - The Importance Of Energy Changes And Electron Transfer In MetabolismChapter 16 - CarbohydratesChapter 17 - GlycolysisChapter 18 - Storage Mechanisms And Control In Carbohydrate MetabolismChapter 19 - The Citric Acid CycleChapter 20 - Electron Transport And Oxidative PhosphorylationChapter 21 - Lipid MetabolismChapter 22 - PhotosynthesisChapter 23 - The Metabolism Of NitrogenChapter 24 - Integration Of Metabolism: Cellular Signaling
Sample Solutions for this Textbook
We offer sample solutions for Biochemistry homework problems. See examples below:
Chapter 1, Problem 1REChapter 1, Problem 16REChapter 2, Problem 1REChapter 2, Problem 23REChapter 2, Problem 25REChapter 3, Problem 1REChapter 3, Problem 9REChapter 4, Problem 1REChapter 5, Problem 1RE
Chapter 6, Problem 1REChapter 6, Problem 25REChapter 6, Problem 28REChapter 6, Problem 29REChapter 6, Problem 31REIn the case of competitive inhibition, the substrate and inhibitor compete with each other to bind...Chapter 6, Problem 61REChapter 7, Problem 1REChapter 8, Problem 1REChapter 9, Problem 1REChapter 10, Problem 1REChapter 11, Problem 1REChapter 12, Problem 1REChapter 13, Problem 1REViruses are nanoparticles, which are made up of nucleic acid and proteins. The nucleic acid that may...Chapter 15, Problem 1REGiven information: a) For predicting the reaction and calculating the value of : From the table in...Chapter 16, Problem 1REChapter 17, Problem 1REChapter 18, Problem 1REChapter 19, Problem 1REGiven information: The table for individual reactions of the citric acid cycle is as follows:...Chapter 20, Problem 1REChapter 20, Problem 8REChapter 20, Problem 13REChapter 21, Problem 1REThe chlorophyll contains a pigment that absorbs all the other colors except the green color coming...Chapter 23, Problem 1REChapter 24, Problem 1RE
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