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 m m

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



and Glycogen Metabolism
mm mm 185
Chapter 13
mm The Citric Acid Cycle
mm mm mm 199
Chapter 14
mm Electron Transport and Oxidative Phosphorylation
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Chapter 15
mm Photosynthesis 227
Chapter 16
mm Lipid Metabolism
mm 241
Chapter 17
mm Amino Acid Metabolism
mm mm 256
Chapter 18
mm Nucleotide Metabolism mm 269
Chapter 19
mm Nucleic Acids mm 284
Chapter 20
mm DNA Replication, Repair, and Recombination
mm mm mm mm 300
Chapter 21
mm Transcription and RNA Processing mm mm mm 315
Chapter 22
mm Protein Synthesis
mm 330
Chapter 23
mm Recombinant DNA Technology mm mm 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
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D) Fe, C, H, O, P
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E) Ca2+, K+, Na+, Mg2+, Cl-
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Answer: B m m



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.
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C) span the membrane.
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D) All of the above
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E) B and C only
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Answer: D m m



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 m m



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 m m



Page Ref: Section 4
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5) Which statement is true about a reaction with an equilibrium constant, Keq, equal to
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1000?
mm




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 m m



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 mm mm




Answer: D m m



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 mm mm mm




B) negative Gibbʹs free energy mm mm mm




C) positive enthalpy mm




D) negative enthalpy mm




E) positive entropy mm




Answer: B m m



Page Ref: Section 4
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2