Chat with AIExam 2: Water the Solvent for Biochemical Reactions
Exam 1: Biochemistry and the Organization of Cells76 Questions
Exam 2: Water the Solvent for Biochemical Reactions90 Questions
Exam 3: Amino Acids and Peptides80 Questions
Exam 4: The Three Dimensional Structure of Proteins87 Questions
Exam 5: Protein Purification and Characterization Techniques72 Questions
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Exam 7: The Behavior of Proteins Enzymes Mechanisms and Control86 Questions
Exam 8: Lipids and Proteins Are Associated in Biological Membranes95 Questions
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Exam 15: The Importance of Energy Changes and Electron Transfer in Metabolism65 Questions
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Exam 18: Storage Mechanisms and Control in Carbohydrate Metabolism87 Questions
Exam 19: The Citric Acid Cycle85 Questions
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Exhibit 2B Contains information on the pK's of some common buffers. 
Refer to Exhibit 2B . Which of the following would make the best buffer at pH =10.0?
Refer to Exhibit 2B . Which of the following would make the best buffer at pH =10.0? (Multiple Choice)
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(29) Many of the properties of water can be accounted for by the fact that
(Multiple Choice)
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(31) How does the strength of hydrogen bonds compare with covalent bonds?
(Multiple Choice)
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(34) Which of the following principles states that if stress is applied to a system in equilibrium, the equilibrium will shift in the direction that relieves the stress?
(Multiple Choice)
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(32) Which will dissociate most in water, a weak acid or a strong acid?
(Multiple Choice)
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(36) A solution at pH 7 contains a weak acid, HA. The pKa of the acid is 6.5. What is the ratio of [A − ]:[HA]?
(Multiple Choice)
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(37) What is the maximum number of hydrogen bonds a single water molecule can form?
(Multiple Choice)
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(38) Hydrogen bonds can only form when the hydrogen atom is involved in a polar bond.
(True/False)
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(44) Which substance would be the best buffer at pH 8 if it had to be able to buffer against either acid or base?
(Multiple Choice)
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(31) Which of the following characteristics makes for a good hydrogen bond donor?
(Multiple Choice)
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(40) Which of the following classes of compounds is hydrophobic?
(Multiple Choice)
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(40) Which of the following classes of compounds is hydrophilic?
(Multiple Choice)
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(41) Exhibit 2B Contains information on the pK's of some common buffers. 
Refer to Exhibit 2B. The enzyme lysozyme has an optimum pH close to 5. A suitable buffer would be:
Refer to Exhibit 2B. The enzyme lysozyme has an optimum pH close to 5. A suitable buffer would be: (Multiple Choice)
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