Biochemistry: l
Concepts and l l
Connections, l
2nd Edition (A
l l
ppling, 2019)
l
Chapter 1-26l
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Biochemistry: Concepts and Connections,2
l l l l l
nd Edition (Appling, 2019) Chapter 1-26
l l l l l
Biochemistry:lConceptslandlConnectionsl(lApplingletlal.l)lChapterl1
l BiochemistrylandlthelLanguageloflChemistry
1) Thelwaterlcontentlinlthelhumanlbodylislapproximatelyl:lA)l
90%.
B)l 80%.
C)l 70%.
D)l60%.
E)l 50%.
Answer:l C
2) Thelfourlmostlabundantlchemicallelementslinllivinglsystemslarel:
A) hydrogen,loxygen,lsulfurlandlphosphorus.l
B)l hydrogen,lcarbon,lnitrogenlandloxygen.
C) sodium,lpotassium,lcarbonlandloxygen.
D) sodium,lpotassium,lnitrogenlandlsulfur.
E) carbon,lnitrogen,loxygenlandlpotassium.l
Answer:lB
Objective:l 1.2
3) Nearlylalllproteinslcontainl:
A) cobalt.
B) phosphorus.
C) selenium.
D) sulfur.
E) noneloflthelabove.l
Answer:l DlObjective:
lll1.2lGloballLO:llG7
4) WhichloflthelfollowinglstatementslislFALSE?
A) Proteinslcanlbelstructurallcomponentsloflcells.
B) Proteinslcanltransmitlsignalslbetweenlcells.
C) Proteinslcanltransportlmoleculeslwithinlcellslandlbetweenlcells.
D) Proteinslcanlbelbothlhormoneslandlhormonelreceptors.
E) Proteinslarelthelonlylbiologicallpolymerlthatlcanlcatalyzelbiochemicallreactions.lAn
swer:l E
1
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Biochemistry: Concepts and Connections,2
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nd Edition (Appling, 2019) Chapter 1-26
l l l l l
Objective:l1.2l
GloballLO:l G7
5) WhichloflthelfollowinglislNOTlclassedlaslallipid?
A) Cholesterol
B) Palmiticlacidl
C)l Glycerol
D) Phosphatidyllserine
E) Triacylglyceroll
Answer:lClObjecti
ve:l1.2lGloballLO:l
G7
6) Aminolacidslandlsimplelorganiclcompoundsllikelcarbonldioxidelandlhydrogenlcyanidelcan
notlbelproducedlwithoutltheluseloflenzymes.
Answer:l FALSEl
Objective:l1.2lGl
oballLO:l G7
7) Oxidation-
reductionlreactions,lwhichlarelthelbasisloflmanylbiochemicallreactionslandlpathways,lcan
notltakelplacelinlthelabsencelofloxygen.
Answer:l FALSEl
Objective:l1.2lGl
oballLO:l G7
8) Manylbiochemicallreactionslthatlformlbiopolymerslfromlmonomericlunitslinvolvelthelre
movalloflwater.
Answer:l TRUEl
Objective:l1.2lG
loballLO:l G7
9) Thelprinciplelcomponentloflalbiologicallmembranelislaltriglyceride.lAn
swer:l FALSE
Objective:l1.2l
GloballLO:l G7
10) Thelchemicallelement
haslalrolelinlbothltransferloflenergylaslwelllaslinlthelstructureloflnucleiclacids.
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Biochemistry: Concepts and Connections,2
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nd Edition (Appling, 2019) Chapter 1-26
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Answer:l phosphorusl
Objective:l 1.2lGloba
llLO:l G7
11) Listlthelfourlmajorlclassesloflbiologicallmacromolecules.lA
nswer:llipids,lcarbohydrates,lproteins,lnucleiclacidslObjective:
l 1.2
GloballLO:l G7
12) Anlamphipathiclmoleculelprovideslthelfoundationlforlbiologicallmembraneslbecauseltheylha
velboth and functionallgroups.
Answer:l hydrophobic,lhydrophilicl
Objective:l 1.2
GloballLO:l G7
13) Genomicslislconcernedlwithlthelentire ,lwhile
islfocusedlonlidentifyinglallloflthelproteinsloflalcell.
Answer:l genome,lproteomicsl
Objective:l 1.5
GloballLO:l G1
3