Principles of Biochemistry 4th Edition Test bank by (Horton) latest 2024 ISBN:9780136217152 ALL CHAPTERS COVERED

,Contents
Chapter 1
n9 Introduction to Biochemistry n9 n9 1
Chapter 2
n9 Water 10
Chapter 3
n9 Amino Acids and the Primary Structures of Proteins
n9 n9 n9 n9 n9 n9 n9 27
Chapter 4
n9 Proteins: Three-Dimensional Structure and Function
n9 n9 n9 n9 46
Chapter 5
n9 Properties of Enzymes n9 n9 65
Chapter 6
n9 Mechanisms of Enzymes n9 n9 85
Chapter 7
n9 Coenzymes and Vitamins n9 n9 104
Chapter 8
n9 Carbohydrates 119
Chapter 9
n9 Lipids and Membranes
n9 n9 137
Chapter 10
n9 Introduction to Metabolism n9 n9 153
Chapter 11
n9 Glycolysis 169
Chapter 12
n9 Gluconeogenesis, The Pentose Phosphate Pathway, n9 n9 n9 n9


and Glycogen Metabolism
n9 n9 185
Chapter 13
n9 The Citric Acid Cycle
n9 n9 n9 199
Chapter 14
n9 Electron Transport and Oxidative Phosphorylation
n9 n9 n9 n9 213
Chapter 15
n9 Photosynthesis 227
Chapter 16
n9 Lipid Metabolism
n9 241
Chapter 17
n9 Amino Acid Metabolism
n9 n9 256
Chapter 18
n9 Nucleotide Metabolism n9 269
Chapter 19
n9 Nucleic Acids n9 284
Chapter 20
n9 DNA Replication, Repair, and Recombination
n9 n9 n9 n9 300
Chapter 21
n9 Transcription and RNA Processing n9 n9 n9 315
Chapter 22
n9 Protein Synthesis n9 330
Chapter 23
n9 Recombinant DNA Technology n9 n9 348

,Chapter 1 Introduction to Biochemistry
n9 n9 n9




1) Whichn9 elementsn9accountn9 forn 9 moren9 thann9 97%n9 ofn9then9weightn9 ofn9mostn9organisms?
A) C,n9 H,n9N,n9Mg,n9 O,n 9 S
B) C,n 9 H,n9N,n9O,n9 P,n9S
C) C,n 9 H,n9N
D) Fe,n9 C,n 9 H,n9O,n 9 P
E) Ca2+,n9 K+,n9 Na+,n9 Mg2+,n9 Cl-

Answer:n 9 B
Pagen9 Ref:n9 Sectionn9 2


2) Proteinsn9inn9biologicaln9 membranesn 9 mayn9 be
A) porous.
B) attachedn9 ton9then9 membranen 9 surface.
C) spann 9 then9membrane.
D) Alln9 ofn9then9above
E) Bn9andn9Cn9only

Answer:n 9 D
Pagen9 Ref:n9 Sectionn9 3


3) Whichn 9 statementn9aboutn9 cellulosen9 isn9false?
A) Itn 9 isn9then9mostn9abundantn 9 polysacchariden 9 inn9nature.
B) Itsn9monomersn 9 aren9 joinedn 9 byn9glycosidicn 9 bonds.
C) Itn9 isn9presentn9 inn9then9stemsn9ofn9floweringn9plants.
D) Then9hydroxyln9groupsn9ofn9neighboringn9cellulosen9moleculesn9interactn9ton9formn9strong,n9insolu
blen9fibers.
E) Itn 9 isn9an 9 branchedn9 polymern9 ofn9glucose.

Answer:n 9 E
Pagen9 Ref:n9 Sectionn9 3




1

, 4) Whenn9Keqn9ofn9an9 reactionn9=n91,n9then

A) then9 forwardn9 reactionn9isn9fastern9 thann9 then9 reversen 9 reaction.
B) then9 reversen 9 reactionn9isn9fastern 9 thann9 then9 forwardn9 reaction.
C) then9 forwardn9 andn9 reversen 9 reactionn9raten9 constantsn9 aren9 equal.
D) moren9 productsn9aren 9 formedn9 thann 9 reactants.
E) fewern 9 productsn9aren 9 formedn9thann9 reactants.

Answer:n 9 C
Pagen9 Ref:n9 Sectionn9 4


5) Whichn 9 statementn9isn9truen9aboutn 9 an 9 reactionn9withn9ann9equilibriumn9 constant,n 9 Keq,n9equaln 9 ton91000?

A) Then9 forwardn9 raten9 constantn 9 isn91000n9 timesn9greatern 9 thann9 then9 reversen 9 raten9constant.
B) Then9 forwardn9 raten9constantn 9 isn93n 9 timesn9greatern 9 thann9 reversen 9 raten9constant.
C) Then9 forwardn9 raten9 constantn 9 isn91000n9 timesn9smallern9thann9 then9 reversen9 raten9 constant.
D) Then9 forwardn9 raten9constantn 9 isn93n 9 timesn9smallern9thann9 then9 reversen 9 raten9constant.
E) Theren9isn9notn9 enoughn 9 informationn 9 givenn9 ton9comparen9 then9 forwardn9 andn9 reversen 9 raten9 consta
nts.

Answer:n 9 A
Pagen9 Ref:n9 Sectionn9 4


6) Then9 studyn 9 ofn9then9 energyn 9 changesn 9 duringn 9 metabolicn9reactionsn9 isn9calledn9 .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicaln9 heatn 9 dynamics

Answer:n 9 D
Pagen9 Ref:n9 Sectionn9 4


7) An9 spontaneousn9 chemicaln 9 reactionn9alwaysn 9 hasn 9 an 9 n9 change.
A) positiven9 Gibbʹsn9freen9 energy
B) negativen9 Gibbʹsn9freen 9 energy
C) positiven 9 enthalpy
D) negativen 9 enthalpy
E) positiven 9 entropy

Answer:n 9 B
Pagen9 Ref:n9 Sectionn9 4




2