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

,Contents
b




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


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

,Chapter 1 Introduction to Biochemistry
b b b




1) Which b elements baccount b for b more b than b97% b of bthe bweight b of bmost borganisms?
A) C, b H, bN, bMg, bO, b S
B) C, b H, bN, bO, b P, bS
C) C, b H, bN
D) Fe, bC, b H, bO, b P
E) Ca2+, bK+, bNa+, bMg2+, bCl-

Answer: b B
Page b Ref: b Section b 2


2) Proteins bin bbiological b membranes b may bbe
A) porous.
B) attached b to bthe b membrane b surface.
C) span b the bmembrane.
D) All b of bthe babove
E) B band bC bonly

Answer: b D
Page b Ref: b Section b 3


3) Which b statement babout b cellulose bis bfalse?
A) It b is bthe bmost babundant b polysaccharide b in bnature.
B) Its bmonomers b are b joined b by bglycosidic b bonds.
C) It b is bpresent b in bthe bstems bof bflowering bplants.
D) The bhydroxyl bgroups bof bneighboring bcellulose bmolecules binteract bto bform bstrong,
binsoluble bfibers.



E) It b is ba b branched bpolymer b of bglucose.

Answer: b E
Page b Ref: b Section b 3




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, 4) When bKeq bof ba b reaction b= b1, bthen

A) the bforward b reaction bis bfaster b than b the breverse b reaction.
B) the breverse b reaction bis bfaster b than b the b forward b reaction.
C) the bforward b and b reverse b reaction brate bconstants b are b equal.
D) more b products bare b formed bthan b reactants.
E) fewer b products bare b formed bthan b reactants.

Answer: b C
Page b Ref: b Section b 4


5) Which b statement bis btrue babout b a b reaction bwith ban bequilibrium bconstant, b Keq, bequal b to b1000?

A) The b forward brate bconstant b is b1000 btimes bgreater b than b the breverse b rate bconstant.
B) The b forward brate bconstant b is b3 b times bgreater b than b reverse b rate bconstant.
C) The b forward brate bconstant b is b1000 btimes bsmaller bthan b the breverse b rate bconstant.
D) The b forward brate bconstant b is b3 b times bsmaller bthan b the breverse b rate bconstant.
E) There bis bnot b enough b information b given bto bcompare bthe b forward b and breverse b rate bconstants.

Answer: b A
Page b Ref: b Section b 4


6) The b study b of bthe benergy b changes b during b metabolic breactions b is bcalled b .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biological bheat b dynamics

Answer: b D
Page b Ref: b Section b 4


7) A bspontaneous b chemical b reaction balways b has b a b bchange.
A) positive b Gibbʹs bfree b energy
B) negative bGibbʹs bfree b energy
C) positive b enthalpy
D) negative b enthalpy
E) positive b entropy

Answer: b B
Page b Ref: b Section b 4




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