Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Chapter 2, Problem 17RE
REFLECT AND APPLY How many water molecules could hydrogen-bond directly to the molecules of glucose, sorbitol, and ribitol, shown here?
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Chapter 2 Solutions
Biochemistry
Ch. 2 - REFLECT AND APPLY Why is water necessary for life?Ch. 2 - REFLECT AND APPLY Contemplate biochemistry if...Ch. 2 - RECALL What is a van der Waals force?Ch. 2 - RECALL What is an induced dipole?Ch. 2 - RECALL What is a salt bridge?Ch. 2 - RECALL Under what circumstance is a molecule that...Ch. 2 - REFLECT AND APPLY Which would you think would be a...Ch. 2 - RECALL List the three types of van der Waals...Ch. 2 - RECALL A hydrogen bond is a special case of what...Ch. 2 - REFLECT AND APPLY Why do you think that most...
Ch. 2 - RECALL What are some macromolecules that have...Ch. 2 - BIOCHEMICAL CONNECTIONS How are hydrogen bonds...Ch. 2 - REFLECT AND APPLY Rationalize the fact that...Ch. 2 - REFLECT AND APPLY Draw three examples of types of...Ch. 2 - RECALL What are the requirements for molecules to...Ch. 2 - REFLECT AND APPLY Many properties of acetic acid...Ch. 2 - REFLECT AND APPLY How many water molecules could...Ch. 2 - REFLECT AND APPLY Both RNA and DNA have negatively...Ch. 2 - RECALL Identify the conjugate acids and bases in...Ch. 2 - RECALL Identify conjugate acids and bases in the...Ch. 2 - REFLECT AND APPLY Aspirin is an acid with a pKa of...Ch. 2 - RECALL Why does the pH change by one unit if the...Ch. 2 - MATHEMATICAL Calculate the hydrogen ion...Ch. 2 - MATHEMATICAL Calculate the hydrogen ion...Ch. 2 - MATHEMATICAL Calculate the hydroxide ion...Ch. 2 - RECALL Define the following: (a) Acid dissociation...Ch. 2 - REFLECT AND APPLY Look at Figure 2.17. If you did...Ch. 2 - BIOCHEMICAL CONNECTIONS List the criteria used to...Ch. 2 - BIOCHEMICAL CONNECTIONS What is the relationship...Ch. 2 - MATHEMATICAL What is the [CH3COO]/[CH3COOH] ratio...Ch. 2 - MATHEMATICAL What is the [CH3COO]/[CH3COOH] ratio...Ch. 2 - MATHEMATICAL What is the ratio of TRIS/TRIS-H+ in...Ch. 2 - MATHEMATICAL What is the ratio of HEPES/HEPES-H+...Ch. 2 - MATHEMATICAL How would you prepare 1 L of a 0.050...Ch. 2 - MATHEMATICAL The buffer needed for Question 35 can...Ch. 2 - MATHEMATICAL Calculate the pH of a buffer solution...Ch. 2 - MATHEMATICAL Calculate the pH of a buffer solution...Ch. 2 - MATHEMATICAL Calculate the pH of a buffer solution...Ch. 2 - MATHEMATICAL A catalog in the lab has a recipe for...Ch. 2 - MATHEMATICAL If you mix equal volumes of 0.1 M HCl...Ch. 2 - MATHEMATICAL What would be the pH of the solution...Ch. 2 - MATHEMATICAL If you have 100 mL of a 0.10 M TRIS...Ch. 2 - MATHEMATICAL What would be the pH of the solution...Ch. 2 - MATHEMATICAL Show that, for a pure weak acid in...Ch. 2 - MATHEMATICAL What is the ratio of concentrations...Ch. 2 - BIOCHEMICAL CONNECTIONS You need to carry out an...Ch. 2 - Prob. 48RECh. 2 - Prob. 49RECh. 2 - BIOCHEMICAL CONNECTIONS Which of the buffers shown...Ch. 2 - Prob. 51RECh. 2 - REFLECT AND APPLY In Section 2-4, we said that at...Ch. 2 - MATHEMATICAL Define buffering capacity. How do the...Ch. 2 - BIOCHEMICAL CONNECTIONS If you wanted to make a...Ch. 2 - BIOCHEMICAL CONNECTIONS We usually say that a...Ch. 2 - RECALL What quality of zwitterions makes them...Ch. 2 - Prob. 57RECh. 2 - Prob. 58RECh. 2 - Prob. 59RECh. 2 - BIOCHEMICAL CONNECTIONS A frequently recommended...
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- REFLECT AND APPLY How can the synthesis and breakdown of fructose-2,6-bisphosphate be controlled independently?arrow_forwardREFLECT AND APPLY An amylose chain is 5000 glucose units long. At how many places must it be cleaved to reduce the average length to 2500 units? To 1000 units? To 200 units? What percentage of the glycosidic links are hydrolyzed in each case? (Even partial hydrolysis can drastically alter the physical properties of polysaccharides and thus affect their structural role in organisms.)arrow_forwardREFLECT AND APPLY Would you expect cross-linking to play a role in the structure of polysaccharides? If so, how would the cross-links be formed?arrow_forward
- REFLECT AND APPLY Why is the polysaccharide chitin a suitable material for the exoskeleton of invertebrates such as lobsters? What other sort of material can play a similar role?arrow_forwardREFLECT AND APPLY Suppose that a polymer of glucose with alternating (14) and (14) glycosidic linkages has just been discovered. Draw a Haworth projection for a repeating tetramer (two repeating dimers) of such a polysaccharide. Would you expect this polymer to have primarily a structural role or an energy- storage role in organisms? What sort of organisms, if any, could use this polysaccharide as a food source?arrow_forwardREFLECT AND APPLY Draw Haworth projection formulas for dimers of glucose with the following types of glycosidic linkages: (a) A (14) linkage (both molecules of glucose in the form) (b) An ,(11) linkage (c) A (16) linkage (both molecules of glucose in the form)arrow_forward
- REFLECT AND APPLY Comment on the energetics of protein folding in light of the information in this chapter.arrow_forwardREFLECT AND APPLY Based on what you know about glycosidic bonds, propose a scheme for formation of covalent bonds between the carbohydrate and protein portions of glycoproteins.arrow_forwardREFLECT AND APPLY How is it advantageous for animals to convert ingested starch to glucose and then to incorporate the glucose into glycogen?arrow_forward
- REFLECT AND APPLY How does the presence of -bonds versus - bonds influence the digestibility of glucose polymers by humans? Hint: There are two effects.arrow_forwardREFLECT AND APPLY Compare the information in the sequence of monomers in a polysaccharide with that in the sequence of amino acid residues in a protein.arrow_forwardREFLECT AND APPLY Consider the structures of arabinose and ribose. Explain why nucleotide derivatives of arabinose, such as ara-C and ara-A, are effective metabolic poisons.arrow_forward
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