Test Bank For Principles Of Biochemistry 4Th Edition By Horton,All Chapters Covered Graded A+

TEST BANK FOR PRINCIPLES OF
BIOCHEMISTRY 4TH EDITION BY
HORTON,ALL CHAPTERS COVERED
GRADED A+

,Contents
Chapterq1 IntroductionqtoqBiochemistry 1
Chapterq2 Water 10
Chapterq3 AminoqAcidsqandqtheqPrimaryqStructuresqofqProteins 27
Chapterq4 Proteins:qThree-DimensionalqStructureqandqFunction 46
Chapterq5 PropertiesqofqEnzymes 65
Chapterq6 MechanismsqofqEnzymes 85
Chapterq7 CoenzymesqandqVitamins 104
Chapterq8 Carbohydrates 119
Chapterq9 LipidsqandqMembranes 137
Chapterq10 IntroductionqtoqMetabolism 153
Chapterq11 Glycolysis 169
Chapterq12 Gluconeogenesis,qTheqPentoseqPhosphateqPathway,
andqGlycogenqMetabolism 185
Chapterq13 TheqCitricqAcidqCycle 199
Chapterq14 ElectronqTransportqandqOxidativeqPhosphorylation 213
Chapterq15 Photosynthesis 227
Chapterq16 LipidqMetabolism 241
Chapterq17 AminoqAcidqMetabolism 256
Chapterq18 NucleotideqMetabolism 269
Chapterq19 NucleicqAcids 284
Chapterq20 DNAqReplication,qRepair,qandqRecombination 300
Chapterq21 TranscriptionqandqRNAqProcessing 315
Chapterq22 ProteinqSynthesis 330
Chapterq23 RecombinantqDNAqTechnology 348

,Chapter 1 Introduction to Biochemistry
q q q




1) Whichq elementsqaccountq forq moreq thanq 97%q ofqtheqweightq ofqmostqorganisms?
A) C,q H,qN,qMg,q O,q S
B) C,q H,qN,qO,q P,qS
C) C,q H,qN
D) Fe,q C,q H,qO,q P
E) Ca2+,qK+,q Na+,qMg2+,q Cl-

Answer:q B
Pageq Ref:q Sectionq 2


2) Proteinsqinqbiologicalq membranesq mayq be
A) porous.
B) attachedq toqtheq membraneq surface.
C) spanq theqmembrane.
D) Allq ofqtheqabove
E) BqandqCqonly

Answer:q D
Pageq Ref:q Sectionq 3


3) Whichq statementqaboutq celluloseq isqfalse?
A) Itq isqtheqmostqabundantq polysaccharideq inqnature.
B) Itsqmonomersq areq joinedq byqglycosidicq bonds.
C) Itq isqpresentq inqtheqstemsqofqfloweringqplants.
D) Theqhydroxylqgroupsqofqneighboringqcelluloseqmoleculesqinteractqtoqformqstrong,qinsolubleq
fibers.
E) Itq isqaq branchedq polymerq ofqglucose.

Answer:q E
Pageq Ref:q Sectionq 3




1

, 4) WhenqKeqqofqaq reactionq=q1,qthen

A) theq forwardq reactionqisqfasterq thanq theq reverseq reaction.
B) theq reverseq reactionqisqfasterq thanq theq forwardq reaction.
C) theq forwardq andq reverseq reactionqrateq constantsq areq equal.
D) moreq productsqareq formedqthanq reactants.
E) fewerq productsqareq formedqthanq reactants.

Answer:q C
Pageq Ref:q Sectionq 4


5) Whichq statementqisqtrueqaboutq aq reactionqwithqanqequilibriumq constant,q Keq,qequalq toq1000?

A) Theq forwardq rateq constantq isq1000q timesqgreaterq thanq theqreverseq rateqconstant.
B) Theq forwardq rateqconstantq isq3q timesqgreaterq thanq reverseq rateqconstant.
C) Theq forwardq rateq constantq isq1000q timesqsmallerqthanq theqreverseq rateq constant.
D) Theq forwardq rateqconstantq isq3q timesqsmallerqthanq theq reverseq rateqconstant.
E) Thereqisqnotq enoughq informationq givenq toqcompareq theq forwardq andq reverseq rateq constants.

Answer:q A
Pageq Ref:q Sectionq 4


6) Theq studyq ofqtheq energyq changesq duringq metabolicqreactionsq isqcalledq .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalq heatq dynamics

Answer:q D
Pageq Ref:q Sectionq 4


7) Aq spontaneousq chemicalq reactionqalwaysq hasq aq qchange.
A) positiveq Gibbʹsqfreeq energy
B) negativeq Gibbʹsqfreeq energy
C) positiveq enthalpy
D) negativeq enthalpy
E) positiveq entropy

Answer:q B
Pageq Ref:q Sectionq 4




2