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Is there an easy trick to remember steps in Krebs Cycle

Steps of Krebs Cycle:

  • Citrate
  • ISO-Citrate
  • A-Ketogluatarate
  • Succinyl-CoA
  • Succinate
  • Fumarate
  • Malate
  • Oxaloacetate

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Here is an easy trick to remember Krebs cycle:

Can I Keep Selling Substances For Money Officer ?

  • Can - Citrate
  • I - ISO-Citrate
  • Keep - A-Ketogluatarate
  • Selling - Succinyl-CoA
  • Substances - Succinate
  • For - Fumarate
  • Money - Malate
  • Officer - Oxaloacetate
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Here is an easy trick to remember Krebs cycle :

Organic Chemistry Is Only A Core Subject 'Cos Sience Fuels Life, Man

  • Organic - Oxaloacetate
  • Chemistry - Citrate
  • Is - Iso-Citrate
  • Only - Oxalosuccinate
  • A Core - A-Ketoglutarate
  • Subject ‘Cos - Succinyl CoA
  • Science - Succinate
  • Fuels - Fumarate
  • Life, Man - L-Malate
Notes:
  • H2O is produced at steps 1 and 8, so remember 18 for water.
  • CO2 is produced at steps 4 and 5 which are COnsecutive
  • NAD+ is reduced at steps 3, 5 and 9: all odd numbers
  • FAD+ is reduced at step 7, and 7 looks like a backwards F. Also an odd number, so all reductions are on odd numbers.
  • GTP is produced at step 6 and G looks like a 6
  • All reductions are catalysed by dehydrogenase enzymes named after the corresponding intermediate.
  • Just synthetases, synthases and the other ones to memorise now

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