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

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


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

,Chapter 1 Introduction to Biochemistry
wl wl wl




1) Whichwl elementswlaccountwl forw l morewl thanwl97%wl ofwlthewlweightwl ofwlmostwlorganisms?
A) C,wl H,wlN,wlMg,wlO,w l S
B) C,w l H,wlN,wlO,wl P,wlS
C) C,w l H,wlN
D) Fe,wl C,wl H,wlO,w l P
E) Ca2+,wlK+,wlNa+,wlMg2+,wlCl-

Answer:w l B
Pagewl Ref:wl Sectionwl2


2) Proteinswlinwlbiologicalwl membranesw l maywlbe
A) porous.
B) attachedwl towlthewl membranew l surface.
C) spanw l thewlmembrane.
D) Allwl ofwlthewlabove
E) BwlandwlCwlonly

Answer:w l D
Pagewl Ref:wl Sectionwl3


3) Whichw l statementwlaboutwl cellulosewliswlfalse?
A) Itw l iswlthewlmostwlabundantw l polysaccharidew l inwlnature.
B) Itswlmonomersw l arewl joinedw l bywlglycosidicw l bonds.
C) Itwl iswlpresentwl inwlthewlstemswlofwlfloweringwlplants.
D) Thewlhydroxylwlgroupswlofwlneighboringwlcellulosewlmoleculeswlinteractwltowlformwlstrong,wlinsol
ublewlfibers.
E) Itw l iswlaw l branchedwl polymerwl ofwlglucose.

Answer:w l E
Pagewl Ref:wl Sectionwl3




1

, 4) WhenwlKeqwlofwlawl reactionwl=wl1,wlthen

A) thewlforwardwl reactionwliswlfasterwl thanwl thewl reversew l reaction.
B) thewlreversew l reactionwliswlfasterwl thanwl thewl forwardwl reaction.
C) thewl forwardwl andwl reversew l reactionwlratewl constantswl arewl equal.
D) morewl productswlarew l formedwlthanw l reactants.
E) fewerw l productswlarew l formedwlthanwl reactants.

Answer:w l C
Pagewl Ref:wl Sectionwl4


5) Whichw l statementwliswltruewlaboutw l aw l reactionwlwithwlanwlequilibriumwlconstant,w l Keq,wlequalw l towl1000?

A) Thewl forwardwl ratewlconstantw l iswl1000wltimeswlgreaterw l thanw l thewlreversew l ratewlconstant.
B) Thewl forwardwlratewlconstantw l iswl3w l timeswlgreaterw l thanwl reversew l ratewlconstant.
C) Thewl forwardwl ratewlconstantw l iswl1000wltimeswlsmallerwlthanwl thewlreversewl ratewlconstant.
D) Thewl forwardwlratewlconstantw l iswl3w l timeswlsmallerwlthanwl thewlreversewl ratewlconstant.
E) Therewliswlnotwl enoughw l informationw l givenwltowlcomparewlthewl forwardwl andwl reversew l ratewlconsta
nts.

Answer:w l A
Pagewl Ref:wl Sectionwl4


6) Thewl studyw l ofwlthewlenergyw l changesw l duringw l metabolicwlreactionswl iswlcalledwl .
A) bioinformatics
B) metabodynamics
C) thermometrics
D) bioenergetics
E) biologicalwlheatw l dynamics

Answer:w l D
Pagewl Ref:wl Sectionwl4


7) Awl spontaneouswl chemicalw l reactionwlalwaysw l hasw l aw l change.
wl



A) positivewl Gibbʹswlfreewl energy
B) negativewlGibbʹswlfreew l energy
C) positivew l enthalpy
D) negativewl enthalpy
E) positivew l entropy

Answer:w l B
Pagewl Ref:wl Sectionwl4




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