PRINCIPLES OF BIOCHEMISTRY
A A
5TH EDITION
A
Moran |Horton |Scrimgeour |Perry
A A A
TEST BANK A
,Principles Aof ABiochemistry, A5th AEdition ATest ABank ABy: AMoran, AHorton, AScrimgeour,
APerry
Contents:
Chapter A1 Introduction Ato ABiochemistry 1
Chapter A2 Water 10
Chapter A3 Amino AAcids Aand Athe APrimary AStructures Aof AProteins 27
Chapter A4 Proteins: AThree-Dimensional AStructure Aand AFunction 46
Chapter A5 Properties Aof AEnzymes 65
Chapter A6 Mechanisms Aof AEnzymes 85
Chapter A7 Coenzymes Aand AVitamins 104
Chapter A8 Carbohydrates 119
Chapter A9 Lipids Aand AMembranes 137
Chapter A10 Introduction Ato AMetabolism 153
Chapter A11 Glycolysis 169
Chapter A12 Gluconeogenesis, AThe APentose APhosphate APathway,
and AGlycogen AMetabolism 185
Chapter A13 The ACitric AAcid ACycle 199
Chapter A14 Electron ATransport Aand AOxidative APhosphorylation 213
Chapter A15 Photosynthesis 227
Chapter A16 Lipid AMetabolism 241
Chapter A17 Amino AAcid AMetabolism 256
Chapter A18 Nucleotide AMetabolism 269
Chapter A19 Nucleic AAcids 284
Chapter A20 DNA AReplication, ARepair, Aand ARecombination 300
Chapter A21 Transcription Aand ARNA AProcessing 315
Chapter A22 Protein ASynthesis 330
Chapter A23 Recombinant ADNA ATechnology 348
,Chapter 1 Introduction to Biochemistry
A A A
1) Which A elements Aaccount A for A more Athan A97% Aof Athe Aweight A of Amost Aorganisms?
A) C, A H, AN, AMg, AO, A S
B) C, A H, AN, AO, A P, AS
C) C, A H, AN
D) Fe, AC, A H, AO, A P
E) Ca2+, AK+, ANa+, AMg2+, ACl-
Answer: A B
Page ARef: A Section A 2
2) Proteins Ain Abiological Amembranes A may Abe
A) porous.
B) attached Ato Athe Amembrane A surface.
C) span A the Amembrane.
D) All Aof Athe Aabove
E) B Aand AC Aonly
Answer: A D
Page ARef: A Section A 3
3) Which A statement Aabout A cellulose Ais Afalse?
A) It A is Athe Amost Aabundant A polysaccharide A in Anature.
B) Its Amonomers A are Ajoined A by Aglycosidic Abonds.
C) It A is Apresent Ain Athe Astems Aof Aflowering Aplants.
D) The Ahydroxyl Agroups Aof Aneighboring Acellulose Amolecules Ainteract Ato Aform Astrong,
Ainsoluble Afibers.
E) It A is Aa A branched Apolymer Aof Aglucose.
Answer: A E
Page ARef: A Section A 3
1
, 4) When AKeq Aof Aa A reaction A= A1, Athen
A) the Aforward Areaction Ais Afaster Athan A the Areverse A reaction.
B) the Areverse A reaction Ais Afaster A than A the Aforward Areaction.
C) the Aforward Aand Areverse Areaction Arate Aconstants Aare A equal.
D) more A products Aare A formed Athan A reactants.
E) fewer A products Aare A formed Athan A reactants.
Answer: A C
Page ARef: A Section A 4
5) Which Astatement Ais Atrue Aabout A a A reaction Awith Aan Aequilibrium Aconstant, A Keq, Aequal A to
1000?
A
A) The A forward Arate Aconstant A is A1000 Atimes Agreater A than Athe Areverse A rate Aconstant.
B) The Aforward Arate Aconstant A is A3 A times Agreater A than Areverse A rate Aconstant.
C) The A forward Arate Aconstant A is A1000 Atimes Asmaller Athan Athe Areverse A rate Aconstant.
D) The A forward Arate Aconstant A is A3 A times Asmaller Athan A the Areverse A rate Aconstant.
E) There Ais Anot A enough A information A given Ato Acompare Athe Aforward Aand Areverse A rate
A constants.
Answer: A A
Page ARef: A Section A 4
6) The A study A of Athe Aenergy A changes A during A metabolic Areactions A is Acalled .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological Aheat A dynamics
Answer: A D
Page ARef: A Section A 4
7) A Aspontaneous A chemical A reaction Aalways A has A a change.
A) positive A Gibbʹs Afree A energy
B) negative AGibbʹs Afree A energy
C) positive Aenthalpy
D) negative Aenthalpy
E) positive Aentropy
Answer: A B
Page ARef: A Section A 4
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