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

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


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

,Chapter 1 Introduction to Biochemistry
Xt Xt Xt




1) WhichXt elementsXtaccountXt forX t moreXt thanXt97%Xt ofXttheXtweightXt ofXtmostXtorganisms?
A) C,Xt H,XtN,XtMg,XtO,X t S
B) C,Xt H,XtN,XtO,Xt P,XtS
C) C,Xt H,XtN
D) Fe,XtC,Xt H,XtO,Xt P
E) Ca2+,XtK+,XtNa+,XtMg2+,XtCl-

Answer:X t B
PageXt Ref:Xt SectionXt 2


2) ProteinsXtinXtbiologicalXt membranesX t mayXtbe
A) porous.
B) attachedXt toXttheXt membraneX t surface.
C) spanX t theXtmembrane.
D) AllXt ofXttheXtabove
E) BXtandXtCXtonly

Answer:X t D
PageXt Ref:Xt SectionXt 3


3) WhichXt statementXtaboutXt celluloseXtisXtfalse?
A) ItX t isXttheXtmostXtabundantX t polysaccharideX t inXtnature.
B) ItsXtmonomersX t areXt joinedX t byXtglycosidicXt bonds.
C) ItXt isXtpresentXt inXttheXtstemsXtofXtfloweringXtplants.
D) TheXthydroxylXtgroupsXtofXtneighboringXtcelluloseXtmoleculesXtinteractXttoXtformXtstrong,Xtinsolu
bleXtfibers.
E) ItXt isXtaX t branchedXt polymerXt ofXtglucose.

Answer:X t E
PageXt Ref:Xt SectionXt 3




1

, 4) WhenXtKeqXtofXtaXt reactionXt=Xt1,Xtthen

A) theXtforwardXt reactionXtisXtfasterXt thanXt theXtreverseX t reaction.
B) theXtreverseX t reactionXtisXtfasterXt thanXt theXtforwardXt reaction.
C) theXtforwardXt andXt reverseXt reactionXtrateXtconstantsXt areXt equal.
D) moreXt productsXtareX t formedXtthanXt reactants.
E) fewerX t productsXtareXt formedXtthanXt reactants.

Answer:X t C
PageXt Ref:Xt SectionXt 4


5) WhichXt statementXtisXttrueXtaboutXt aX t reactionXtwithXtanXtequilibriumXtconstant,Xt Keq,XtequalX t toXt1000?

A) TheXt forwardXtrateXtconstantX t isXt1000XttimesXtgreaterX t thanXt theXtreverseXt rateXtconstant.
B) TheXt forwardXtrateXtconstantX t isXt3X t timesXtgreaterXt thanXt reverseXt rateXtconstant.
C) TheXt forwardXtrateXtconstantX t isXt1000XttimesXtsmallerXtthanXt theXt reverseXt rateXt constant.
D) TheXt forwardXtrateXtconstantX t isXt3X t timesXtsmallerXtthanXt theXtreverseXt rateXtconstant.
E) ThereXtisXtnotXt enoughX t informationX t givenXttoXtcompareXttheXt forwardXt andXtreverseX t rateXtconstan
ts.

Answer:X t A
PageXt Ref:Xt SectionXt 4


6) TheXt studyXt ofXttheXt energyXt changesX t duringX t metabolicXtreactionsXt isXtcalledXt .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalXt heatX t dynamics

Answer:X t D
PageXt Ref:Xt SectionXt 4


7) AXtspontaneousXt chemicalXt reactionXtalwaysX t hasX t aX t change.
Xt



A) positiveXt GibbʹsXtfreeXt energy
B) negativeXtGibbʹsXtfreeXt energy
C) positiveX t enthalpy
D) negativeXt enthalpy
E) positiveX t entropy

Answer:X t B
PageXt Ref:Xt SectionXt 4




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