BIOCHEM MODULE 8 EXAM QUESTIONS WITH CORRECT ANSWERS RATED A.

BIOCHEM MODULE 8 EXAM
QUESTIONS WITH CORRECT
ANSWERS RATED A+
trueW-
W CORRECTW ANSWERST/F:W TheW majorityW ofWtheW reactionsW ofW theW ureaW cycleW occurW inW t

heWcytosol.
falseW-
W CORRECTW ANSWERST/F:W TheW majorityW ofWtheW reactionsW ofW theW ureaW cycleW occurW inW t

heWmitochondrialWmatrix.
falseW-
W CORRECTW ANSWERST/F:W FADH2W yieldsW 2.5W ATPW moleculesW afterW donatingW electron

sWandWhydrogenWatomsWtoWtheWETC.
2.5WATPWperWNADHW-
W CORRECTW ANSWERSHowW manyW ATPW moleculesW doesW NADHW yieldW afterW donatingW el

ectronsWandWhydrogenWatomsWtoWtheWelectronWtransferWchainW(ETC)?
1.5WATPWperWFADH2W-
W CORRECTW ANSWERSHowW manyW ATPW moleculesW doesW FADH2W yieldW afterW donatingW

electronsWandWhydrogenWatomsWtoWtheWelectronWtransferWchainW(ETC)?
trueW-WCORRECTWANSWERST/F:WATPWisWinvestedWinWtheWureaWcycle.
3W-WCORRECTWANSWERSHowWmanyWtotalWATPWareWinvestedWinWtheWureaWcycle?
falseW-WCORRECTWANSWERST/F:WThereWareW5WcomplexesWassociatedWwithWtheWETC.
4W-WCORRECTWANSWERSHowWmanyWcomplexesWareWassociatedWwithWtheWETC?
falseW-
W CORRECTW ANSWERST/F:W InW theW productionW ofW ATPW viaW ATPW synthase,W theW H+W ionsW

moveWfromWtheWmitochondrialWmatrixWtoWtheWintermembraneWspace.
trueW-
W CORRECTW ANSWERST/F:W InW theW productionW ofW ATPW viaW ATPW synthase,W theW H+W ionsW

moveWfromWtheWintermembraneWspaceWtoWtheWmitochondrialWmatrix.
4W-
W CORRECTW ANSWERSTheW ureaW cycleW involvesW ___W reactionsW (onlyW thoseW inW theW cycli

cWportionWofWtheWprocess).
ornithine,Warginine,WandWaspartateW-
W CORRECTW ANSWERSWhatW aminoW acidsW areW involvedW inW theW ureaW cycle?

malateW-WCORRECTWANSWERSFumarateWreentersWtheWmitochondrionWas
abilityWtoWhydrogenWbondsWwithWwaterWandWitsWhighWdensityWofWnitrogenWinWaWsmallWmolec
uleW-WCORRECTWANSWERSUreaWisWusefulWforWexcretingWnitrogenWfromWcellsWdueWtoWits
fumarateW-
W CORRECTW ANSWERSWhichW componentW ofW theW ureaW cycleW isW alsoW aW memberW ofW theW

CAC?
NH4+W(amineWgroup)W-
W CORRECTW ANSWERSOxidativeW deaminationW resultsW inW theW removalW ofW ___W fromW ami

noWacids.
ureaW-WCORRECTWANSWERSWhatWisWtheWfollowingWchemicalWspecies?