Principles of Biochemistry, 5thEdition Test Bank By: Moran, Horton, Scrimgeour, Perry

TESTBANK c
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PRINCIPLES OFBIOCHEMISTRY5TH EDITION
nc nc nc nc




Laurence Moran, Robert Horton, Gray Scrimgeour & Marc Perry
nc nc nc nc nc nc nc nc

,Principles of Biochemistry, 5th Edition Test Bank By: Moran, Horton, Scrimgeour, Perry
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Contents:
Chapter 1
nc Introduction to Biochemistry nc nc 1
Chapter 2
nc Water 10
Chapter 3
nc Amino Acids and the Primary Structures of Proteins
nc nc nc nc nc nc nc 27
Chapter 4
nc Proteins: Three-Dimensional Structure and Function
nc nc nc nc 46
Chapter 5
nc Properties of Enzymes nc nc 65
Chapter 6
nc Mechanisms of Enzymes nc nc 85
Chapter 7
nc Coenzymes and Vitamins nc nc 104
Chapter 8
nc Carbohydrates 119
Chapter 9
nc Lipids and Membranes
nc nc 137
Chapter 10
nc Introduction to Metabolism nc nc 153
Chapter 11
nc Glycolysis 169
Chapter 12
nc Gluconeogenesis, The Pentose Phosphate Pathway, nc nc nc nc




and Glycogen Metabolism
nc nc 185
Chapter 13
nc The Citric Acid Cycle
nc nc nc 199
Chapter 14
nc Electron Transport and Oxidative Phosphorylation
nc nc nc nc 213
Chapter 15
nc Photosynthesis 227
Chapter 16
nc Lipid Metabolism
nc 241
Chapter 17
nc Amino Acid Metabolism
nc nc 256
Chapter 18
nc Nucleotide Metabolism nc 269
Chapter 19
nc Nucleic Acids nc 284
Chapter 20
nc DNA Replication, Repair, and Recombination
nc nc nc nc 300
Chapter 21
nc Transcription and RNA Processing nc nc nc 315
Chapter 22
nc Protein Synthesis nc 330
Chapter 23
nc Recombinant DNA Technology nc nc 348

,Chapter 1 Introduction to Biochemistry
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1) Which elements account for more than 97% of the weight of most organisms?
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A) C, H, N, Mg, O, S nc nc nc nc nc




B) C, H, N, O, P, S nc nc nc nc nc




C) C, H, N nc nc




D) Fe, C, H, O, P nc nc nc nc




E) Ca2+, K+, Na+, Mg2+, Cl- nc nc nc nc




Answer: B n c




Page Ref: Section 2
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2) Proteins in biological membranes may be
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A) porous.
B) attached to the membrane surface. nc nc nc nc




C) span the membrane. nc nc




D) All of the above nc nc nc




E) B and C only
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Answer: D n c




Page Ref: Section 3
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3) Which statement about cellulose is false?
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A) It is the most abundant polysaccharide in nature.
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B) Its monomers are joined by glycosidic bonds.
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C) It is present in the stems of flowering plants.
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D) The hydroxyl groups of neighboring cellulose molecules interact to form strong, insoluble
nc nc nc nc nc nc nc nc nc nc nc




fibers.
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E) It is a branched polymer of glucose.
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Answer: E n c




Page Ref: Section 3
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1

, 4) When Keq of a reaction = 1, then
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A) the forward reaction is faster than the reverse reaction.
nc nc nc nc nc nc nc nc




B) the reverse reaction is faster than the forward reaction.
nc nc nc nc nc nc nc nc




C) the forward and reverse reaction rate constants are equal.
nc nc nc nc nc nc nc nc




D) more products are formed than reactants.
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E) fewer products are formed than reactants.
nc nc nc nc nc




Answer: C n c




Page Ref: Section 4
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5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to 1000?
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A) The forward rate constant is 1000 times greater than the reverse rate constant.
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B) The forward rate constant is 3 times greater than reverse rate constant.
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C) The forward rate constant is 1000 times smaller than the reverse rate constant.
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D) The forward rate constant is 3 times smaller than the reverse rate constant.
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E) There is not enough information given to compare the forward and reverse rate constants.
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Answer: A n c




Page Ref: Section 4
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6) The study of the energy changes during metabolic reactions is called
nc nc nc nc nc nc nc nc nc nc .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological heat dynamics nc nc




Answer: D n c




Page Ref: Section 4
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7) A spontaneous chemical reaction always has a
nc nc nc nc nc nc change.
A) positive Gibbʹs free energy nc nc nc




B) negative Gibbʹs free energy nc nc nc




C) positive enthalpy nc




D) negative enthalpy nc




E) positive entropy nc




Answer: B n c




Page Ref: Section 4
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