ATP exam questions with correct answers

ATP exam questions with correct
answers
DescribeAhowAanAATPAmoleculeAisAformedAfromAitsAcomponentAmolecules.A(4)A-
AAnswer✓AM1,A2A&A3A-
AATPAisAmadeAfromAaAcondensationAreactionAbetweenAtheAnucleotideAbaseAadenine,AaAriboseAsugarA
andAthreeAphosphateAgroups.


M4A-
AATPAcanAbeAresynthesisedAinAaAcondensationAreactionAbetweenAADPAandAPiAandAisAcatalysedAbyAA
TPAsynthase.


WaterAisAusedAtoAhydrolyseAATP.A


NameAtheAtwoAproductsAofAATPAhydrolysisA(1)A-AAnswer✓A1.AAdenosineAdiphosphate
2.AInorganicAphosphate


CellsAconstantlyAhydrolyseAATPAtoAprovideAenergy.A


DescribeAhowAATPAisAresynthesisedAinAcells.A(2)A-AAnswer✓A1.AFromAADPAandAphosphate;

2.AByAATPAsynthase;
3.ADuringArespiration/photosynthesis;


GiveAtwoAwaysAinAwhichAtheAhydrolysisAofAATPAisAusedAinAcellsA(2)A-
AAnswer✓A1.AToAprovideAenergyAforAotherAreactions/namedAprocess;

2.AToAaddAphosphateAtoAotherAsubstancesAandAmakeAthemAmoreAreactive/changeAtheirAshape;


DescribeAtheArolesAofAcalciumAionsAandAATPAinAtheAcontractionAofAaAmyofibril.A(5)A-
AAnswer✓A1.ACalciumAionsAdiffuseAintoAmyofibrilsAfromA(sarcoplasmic)Areticulum;

2.A(CalciumAions)AcauseAmovementAofAtropomyosinA(onAactin);
3.A(ThisAmovementAcauses)AexposureAofAtheAbindingAsitesAonAtheAactin;
4.AMyosinAheadsAattachAtoAbindingAsitesAonAactin;
5.AHydrolysisAofAATPA(onAmyosinAheads)AcausesAmyosinAheadsAtoAbend;
6.A(Bending)ApullingAactinAmolecules;
7.AAttachmentAofAaAnewAATPAmoleculeAtoAeachAmyosinAheadAcausesAmyosinAheadsAtoAdetachA(from
AactinAsites).