rn1n BiochemistrynandnthenLanguagenofnChemistry
1) Thenwaterncontentninnthenhumannbodynisnapproximately:
A)n90%.
B)n80%.
C)n70%.
D)n60%.
E)n50%.
Answer:n C
2) Thenfournmostnabundantnchemicalnelementsninnlivingnsystemsnare:
A) hydrogen,noxygen,nsulfurnandnphosphorus.
B) hydrogen,ncarbon,nnitrogennandnoxygen.
C) sodium,npotassium,ncarbonnandnoxygen.
D) sodium,npotassium,nnitrogennandnsulfur.
E) carbon,nnitrogen,noxygennandnpotassium.n
Answer:nB
Objective:n 1.2
3) Nearlynallnproteinsncontain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) nonenofnthenabove.n
Answer:n DnObjectiv
e:n 1.2nGlobalnLO:n G
7
4) WhichnofnthenfollowingnstatementsnisnFALSE?
A) Proteinsncannbenstructuralncomponentsnofncells.
B) Proteinsncanntransmitnsignalsnbetweenncells.
C) Proteinsncanntransportnmoleculesnwithinncellsnandnbetweenncells.
D) Proteinsncannbenbothnhormonesnandnhormonenreceptors.
E) Proteinsnarenthenonlynbiologicalnpolymernthatncanncatalyzenbiochemicalnreactions.n
Answer:nE
Objective:n1.2n
GlobalnLO:n G7
1
Copyrightn©n2016nPearsonnEducation,nInc.
,5) WhichnofnthenfollowingnisnNOTnclassednasnanlipid?
A) Cholesterol
B) Palmiticnacid
C) Glycerol
D) Phosphatidylnserine
E) Triacylglyceroln
Answer:nCnObject
ive:n1.2nGlobalnL
O:n G7
6) Aminonacidsnandnsimplenorganicncompoundsnlikencarbonndioxidenandnhydrogenncyanidencannotnb
enproducednwithoutnthenusenofnenzymes.
Answer:nFALSEnObj
ective:n1.2nGlobalnL
O:n G7
7) Oxidation-
reductionnreactions,nwhichnarenthenbasisnofnmanynbiochemicalnreactionsnandnpathways,ncan
notntakenplaceninnthenabsencenofnoxygen.
Answer:nFALSEnObj
ective:n1.2nGlobalnL
O:n G7
8) Manynbiochemicalnreactionsnthatnformnbiopolymersnfromnmonomericnunitsninvolventhenr
emovalnofnwater.
Answer:nTRUEnObje
ctive:n1.2nGlobalnLO
:n G7
9) Thenprinciplencomponentnofnanbiologicalnmembranenisnantriglyceride.n
Answer:nFALSE
Objective:n1.2n
GlobalnLO:n G7
10) Thenchemicalnelement
hasnanroleninnbothntransfernofnenergynasnwellnasninnthenstructurenofnnucleicnacids.
Answer:nphosphorusn
Objective:n 1.2nGloba
lnLO:n G7
11) Listnthenfournmajornclassesnofnbiologicalnmacromolecules.n
Answer:nlipids,ncarbohydrates,nproteins,nnucleicnacidsnObjecti
ve:n1.2
GlobalnLO:n G7
2
Copyrightn©n2016nPearsonnEducation,nInc.
, 12) Annamphipathicnmoleculenprovidesnthenfoundationnfornbiologicalnmembranesnbecausentheyn
havenboth and functionalngroups.
Answer:n hydrophobic,nhydrophilicn
Objective:n1.2
GlobalnLO:n G7
13) Genomicsnisnconcernednwithnthenentire ,nwhile
isnfocusednonnidentifyingnallnofnthenproteinsnofnancell.
Answer:n genome,nproteomicsn
Objective:n1.5
GlobalnLO:n G1
3
Copyrightn©n2016nPearsonnEducation,nInc.