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Exam (elaborations)

Biochem Module 7 Exam

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Biochem Module 7 Exam

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BIOCHEM MODULE 7 EXAM QUESTIONS AND
ANSWERS 100% SOLVED
True ggor ggFalse: ggThe ggΔG ggvalue ggfor gga ggparticular ggreaction ggis gg-78kJ/mol. ggThis ggvalue ggindicates ggthe
ggreaction ggis ggspontaneous. gg- ggtrue




True ggor ggFalse: ggA ggbiochemical ggmetabolic ggpathway ggis gga ggsingle ggreaction ggthat ggconverts ggstarting
ggmaterial gginto ggproducts. gg- ggfalse




True ggor ggFalse: ggA ggbiochemical ggmetabolic ggpathway ggis gga ggseries ggreaction ggthat ggconverts ggstarting
ggmaterial gginto ggproducts. gg- ggtrue




True ggor ggFalse: ggThree ggATP ggmolecules ggare ggused ggin ggthe ggenergy-investing ggstage ggof ggglycolysis. gg-
ggfalse




True ggor ggFalse: ggThe ggcitric ggacid ggcycle ggoccurs ggin ggthe ggpresence ggof ggoxygen. gg- ggtrue



True ggor ggFalse: ggThe ggcitric ggacid ggcycle ggoccurs ggin ggthe ggabsence ggof ggoxygen. gg- ggfalse



True ggor ggFalse: ggThe ggβ-oxidation ggpathway ggonly ggdegrades ggodd-numbered ggfatty ggacids. gg- ggtrue



In ggtotal, gghow ggmany ggATP ggand/or ggNADH ggare ggproduced ggin ggthe ggglucose ggto ggpyruvate ggsteps ggin
ggglycolysis? gg- gg2 ggATP ggand gg2 ggNADPH ggproduced




In ggconverting ggglucose ggto ggpyruvate, gghow ggmany ggATP ggor ggNADH ggare ggproduced gg(or ggrequired) ggin
ggthe ggfructose-6-phosphate ggto ggfructose-1,6-bisphosphate ggstep ggin ggglycolysis? gg- gg1 ggATP ggrequired




In ggconverting ggglucose ggto ggpyruvate, gghow ggmany ggATP ggor ggNADH ggare ggproduced gg(or ggrequired) ggin
ggthe ggglucose ggto ggglucose-6-phosphate ggstep ggin ggglycolysis? gg- gg1 ggATP ggrequired




In ggconverting ggglucose ggto ggpyruvate, gghow ggmany ggATP ggor ggNADH ggare ggproduced gg(or ggrequired) ggin
ggthe

, glyceraldehyde gg3-phosephate ggto gg1,3-bisphosphoglycerate ggstep ggin ggglycolysis? gg- gg2 ggNADH
ggproduced




In ggconverting ggglucose ggto ggpyruvate, gghow ggmany ggATP ggor ggNADH ggare ggproduced gg(or ggrequired) ggin
ggthe



1,3-bisphosphoglycerate ggto gg3-phosphoglycerate ggstep ggin ggglycolysis? gg- gg2 ggATP ggproduced



In ggconverting ggglucose ggto ggpyruvate, gghow ggmany ggATP ggor ggNADH ggare ggproduced gg(or ggrequired) ggin
ggthe



phosphoenolpyruvate ggto ggpyruvate ggstep ggin ggglycolysis? gg- gg2 ggATP ggproduced



What ggis ggthe ggprimary ggproduct ggof ggglycolysis? gg- ggpyruvate



In ggglycolysis, ggwhen ggglucose ggenters gga ggcell, ggit ggis ggimmediately ggphosphorylated ggto ggform ggglucose-
6-phosphate. ggThe ggphosphate ggdonor ggin ggthis ggreaction ggis ggATP, ggand ggthe ggenzyme ggis gg___. gg-
gghexokinase




In ggglycolysis, ggwhen ggglucose ggenters gga ggcell, ggit ggis ggimmediately ggphosphorylated ggto ggform ggglucose-
6- ggphosphate.

The ggphosphate ggdonor ggin ggthis ggreaction ggis gg_______, ggand ggthe ggenzyme ggis gghexokinase. gg- ggATP



In ggglycolysis, ggwhen ggfructose-6-phosphate ggis ggpreparing ggto ggsplit ggthe ggphosphate ggdonor ggin ggthis
ggreaction ggis ggATP, ggand ggthe ggenzyme ggis gg________. gg- ggphosphofructokinase-1




In ggthe gglast ggreaction ggof ggglycolysis, ggATP ggis ggformed ggby ggthe ggdirect ggtransfer ggof gga ggphosphate
gggroup ggfrom gga ggmetabolite ggto ggADP. ggThis ggprocess ggis ggreferred ggto ggas: gg- ggsubstrate-level

ggphosphorylation




Under gganaerobic ggcondition, ggto ggwhich ggcompound ggis ggpyruvate ggconverted? gg- ggethanol ggor gglactate



The ggprocess ggthat ggextracts ggenergy ggas ggATP ggbut ggdoes ggnot ggconsume ggO2 ggor ggchange ggthe
ggconcentration ggof ggNAD+/NADH: gg- ggfermentation

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