Test Bank - Principles of Biochemistry, 5th Edition (Moran, 2012), Chapter 1-22 | All Chapters

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PRINCIPLES OF BIOCHEMISTRY
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5TH EDITION
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Moran |Horton |Scrimgeour |Perry
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TEST BANK h h

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



and Glycogen Metabolism
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Chapter 13
hh The Citric Acid Cycle
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Chapter 14
hh Electron Transport and Oxidative Phosphorylation
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Chapter 15
hh Photosynthesis 227
Chapter 16
hh Lipid Metabolism
hh 241
Chapter 17
hh Amino Acid Metabolism
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Chapter 18
hh Nucleotide Metabolism hh 269
Chapter 19
hh Nucleic Acids hh 284
Chapter 20
hh DNA Replication, Repair, and Recombination
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Chapter 21
hh Transcription and RNA Processing hh hh hh 315
Chapter 22
hh Protein Synthesis hh 330
Chapter 23
hh Recombinant DNA Technology hh hh 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
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B) C, H, N, O, P, S
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C) C, H, N hh hh




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




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




Answer: B h h



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. hh hh hh hh




C) span the membrane. hh hh




D) All of the abovehh hh hh




E) B and C only
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Answer: D h h



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,
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insoluble fibers.
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E) It is a branched polymer of glucose.
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Answer: E h h



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.
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B) the reverse reaction is faster than the forward reaction.
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C) the forward and reverse reaction rate constants are equal.
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D) more products are formed than reactants.
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E) fewer products are formed than reactants.
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Answer: C h h



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
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constants.
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Answer: A h h



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




Answer: D h h



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




B) negative Gibbʹs free energy hh hh hh




C) positive enthalpy hh




D) negative enthalpy hh




E) positive entropy hh




Answer: B h h



Page Ref: Section 4
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