Question

what is the purpose of the chemical reactions during glycolysis? be sure to highlight the two phases.

innthe presence of oxygen, describe the oxidation of pryuvate and entry reaction intonthe knrebs cycle. summarize the importance of the chemical reactions in the krebs cycle

Answer 1

Glycolysis is the breakdown of glucose into two molecules of pyruvate. Glycolysis takes place in the cytoplasm. Glycolysis is having two phases- preparatory phase and the payoff phase.

Redline or A indicates preparation phase. Blueline or B represents payoff phase.

-ATP A Glucose Hexokinase. Į CHADE Glucose -6- Phosphate Phosphogluwasomerase & ? 0 Fructose - 6- Phosphate Phoibho fructokinase. JC ADP - Fructose 1,6 bisphosphate Aldolase. I 2x Glyceraldehyde -3- Phoophete Glycerallyele-3 t I a &RNADt + 2HPO42- Phat chate dehydrogenase V ŅASH THE ax 1,3 bisbhobhoglycerate orthoglycerate T1 CARP 44 2 enest 3-Phoofhoglycerate I kinese 72H₂ Enolase it 2 x Phoophoeno Pyruvate kinase jo 2x Pyruvate -RADP →2 ATP

Pyruvate enters mitochondria where it is converted into acetyl CoA and then acetyl CoA enters the Krebs cycle.

. Krebs cycle do acetate cruthase. Aconitas ces - Aconitate NADIM Meladych Aconitase. I Toitrate Iso citrate h o tomarones site dehydroganse . NADH + a-ketoglutarati, ketoglutari delujeto ginas Dumarul A succincte dehydroguare PADHY 11U Succinete NADH + HS Succincte this kinose Succin . COA-SH ATP ON GIP

Pyruvate is oxidized to acetyl-CoA, this reaction releases NADH and CO2.

Kreb cycle takes place in matrix of mitochondria.

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