Biochemistry Concepts and Connections, Appling - Exam Preparation Test Bank (Downloadable Doc)

,Biochemistry:lConceptslandlConnectionsl(Applingletlal.)lChapterl
1l BiochemistrylandlthelLanguageloflChemistry

1) Thelwaterlcontentlinlthelhumanlbodylislapproximately:
A)l90%.
B)l80%.
C)l70%.
D)l60%.
E)l50%.
Answer:l C

2) Thelfourlmostlabundantlchemicallelementslinllivinglsystemslare:
A) hydrogen,loxygen,lsulfurlandlphosphorus.
B) hydrogen,lcarbon,lnitrogenlandloxygen.
C) sodium,lpotassium,lcarbonlandloxygen.
D) sodium,lpotassium,lnitrogenlandlsulfur.
E) carbon,lnitrogen,loxygenlandlpotassium.l
Answer:lB
Objective:l 1.2

3) Nearlylalllproteinslcontain:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) noneloflthelabove.l
Answer:l DlObjective
:l 1.2lGloballLO:l G7

4) WhichloflthelfollowinglstatementslislFALSE?
A) Proteinslcanlbelstructurallcomponentsloflcells.
B) Proteinslcanltransmitlsignalslbetweenlcells.
C) Proteinslcanltransportlmoleculeslwithinlcellslandlbetweenlcells.
D) Proteinslcanlbelbothlhormoneslandlhormonelreceptors.
E) Proteinslarelthelonlylbiologicallpolymerlthatlcanlcatalyzelbiochemicallreactions.lAn
swer:lE
Objective:l1.2l
GloballLO:l G7




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,5) WhichloflthelfollowinglislNOTlclassedlaslallipid?
A) Cholesterol
B) Palmiticlacid
C) Glycerol
D) Phosphatidyllserine
E) Triacylglyceroll
Answer:lClObjecti
ve:l1.2lGloballLO:
l G7




6) Aminolacidslandlsimplelorganiclcompoundsllikelcarbonldioxidelandlhydrogenlcyanidelcannotlbelp
roducedlwithoutltheluseloflenzymes.
Answer:lFALSElObj
ective:l1.2lGloballL
O:l G7

7) Oxidation-
reductionlreactions,lwhichlarelthelbasisloflmanylbiochemicallreactionslandlpathways,lcanno
tltakelplacelinlthelabsencelofloxygen.
Answer:lFALSElObj
ective:l1.2lGloballL
O:l G7

8) Manylbiochemicallreactionslthatlformlbiopolymerslfromlmonomericlunitslinvolvelthelre
movalloflwater.
Answer:lTRUElObje
ctive:l1.2lGloballLO:
l G7




9) Thelprinciplelcomponentloflalbiologicallmembranelislaltriglyceride.lA
nswer:lFALSE
Objective:l1.2l
GloballLO:l G7

10) Thelchemicallelement
haslalrolelinlbothltransferloflenergylaslwelllaslinlthelstructureloflnucleiclacids.
Answer:lphosphorusl
Objective:l 1.2lGloba
llLO:l G7

11) Listlthelfourlmajorlclassesloflbiologicallmacromolecules.lA
nswer:llipids,lcarbohydrates,lproteins,lnucleiclacidslObjective:l
1.2
GloballLO:l G7




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, 12) Anlamphipathiclmoleculelprovideslthelfoundationlforlbiologicallmembraneslbecauseltheylha
velboth and functionallgroups.
Answer:l hydrophobic,lhydrophilicl
Objective:l1.2
GloballLO:l G7

13) Genomicslislconcernedlwithlthelentire ,lwhile
islfocusedlonlidentifyinglallloflthelproteinsloflalcell.
Answer:l genome,lproteomicsl
Objective:l1.5
GloballLO:l G1




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Copyrightl©l2016lPearsonlEducation,lInc.