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How to remember Krebs Cycle?

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2,307 views
asked Jan 17, 2020 by nanospeck (6,920 points)
retagged Jan 19, 2020 by nanospeck

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

2 Answers

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answered Jan 19, 2020 by nanospeck (6,920 points)

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
0 votes
answered Jan 19, 2020 by nanospeck (6,920 points)

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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