BIOCHEM MODULE 5 EXAM

BIOCHEM MODULE 5 EXAM 2025-2026
QUESTIONS AND ANSWERS RATED
A+
glycerolRcontainsRhowRmanyRcarbonRatoms?R-RCORRECTRANSWERS3
fattyRacidsRcontainRhowRmanyRcarbons?R-RCORRECTRANSWERS8-30
whichRofRtheRfollowingRareRderivedRfromRorRmadeRfromRfattyRacids?

a.Rcholesterol
b.Rcarotenoids
c.Rphosphoglycerides
d.RARandRB
e.RARandRCR-RCORRECTRANSWERSc.Rphosphoglycerides
whatRlipidsRareRderivedRfromRfattyRacids?R-RCORRECTRANSWERSphosphoglycerides
sphingolipids
triacylglycerols
triacylglycerolsRareRmadeRfromRaR___RandR___.R-
RCORRECTRANSWERSglycerol;R3RfattyRacids

phosphoglyceridesRareRmadeRfromRaR___RandR___.R-
RCORRECTRANSWERSglycerol;R2RfattyRacids

sphingolipidsRareRmadeRfromRaR___RandR___.R-
RCORRECTRANSWERSceramide;R2RfattyRacids

isopreneRareRmadeRfromR___.R-
RCORRECTRANSWERS5Rcarbons,RwithRaRbranchRandRaRdoubleRbranch

whatRisRaRPUFA?R-
RCORRECTRANSWERSpolyunsaturated RfattyRacidR=RcontainsR2RorRmoreRdoubleRbonds

aR___RisRaRcarboxylicRacidRthatRisRaRstructuralRcomponentRofRlipids.

a.RaminoRacid
b.Rcarotenoid
c.Rsphingolipid
d.Rcholesterol
e.RnoneRofRtheRaboveR-RCORRECTRANSWERSe.RnoneRofRtheRabove
aRparticularRlipidRisRaRliquidRatRroomRtemperature,RsoRitRisRcalledRa(n)R___.

a.Roil
b.Rfat
c.Rlipid
d.Rmembrane
e.RsphingolipidR-RCORRECTRANSWERSa.Roil
aRparticularRlipidRisRaRsolidRatRroomRtemperature,RsoRitRisRcalledRa(n)R___.

a.Roil
b.Rfat

, c.Rlipid
d.Rmembrane
e.RsphingolipidR-RCORRECTRANSWERSb.Rfat
___RareRaRclassRofRmembraneRproteinsRthatRareRlooselyRassociatedRwithRtheRmembraneRb
ilayer.

a.RtransmembraneRprotein
b.RintegralRprotein
c.RchannelRprotein
d.RtransportRprotein
e.RperipheralRproteinR-RCORRECTRANSWERSe.RperipheralRprotein
___RareRaRclassRofRmembraneRproteinsRthatRareRnotReasilyRremovedRfromRtheRmembraneR
bilayer.

a.RtransmembraneRprotein
b.RintegralRprotein
c.RchannelRprotein
d.RtransportRprotein
e.RperipheralRproteinR-RCORRECTRANSWERSb.RintegralRprotein
isopreneRunitsRareRusedRtoRmakeRallRofRtheRfollowingRexceptR___.

a.RfattyRacids
b.RcarotenoidRmolecules
c.Rsphingolipids
d.RBRandRC
e.RallRofRtheRaboveR-RCORRECTRANSWERSa.RfattyRacids
isopreneRunitsRareRusedRtoRmakeR___.R-
RCORRECTRANSWERScarotenoids, RvitaminRK,Rcholesterol,RandRlipids

whichRnotationRisRforRaRfattyRacidRwithRoneRdoubleRbond?

a.R18:1R(Δ12)
b.R1:18
c.R1:12
d.R2:18
e.R12:1R(Δ7,9)R-RCORRECTRANSWERSa.R18:1R(Δ12)
whichRnotationRindicatesRaR14-carbonRomega-
3RfattyRacidRthatRcontainsRnoRotherRdoubleRbonds?

a.R14:1R(Δ11)
b.R17:1R(Δ14)
c.R14:1R(Δ3)
d.R13:1R(Δ11)
e.R14:0R(Δ11)R-RCORRECTRANSWERSa.R14:1R(Δ11)
___RisRusedRasRtheRbackboneRmoleculeRinRtheRformationRofRstorageRfats.

a.Rceramides