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Q. How many of the following are the substrates involved in the Kreb's cycle?
Citric acid, succinic acid, hydrochloric acid, α-ketoglutaric acid, fumaric acid, malic acid, pyruvic acid, phosphoglyceric acid, acetic acid

NTA AbhyasNTA Abhyas 2022

Solution:

The substrates of Kreb's cycle are acetyl CoA, citric acid, iso-citric acid, aconitate, oxalosuccinate, α-ketoglutaric acid, succinyl CoA, succinic acid, fumaric acid, malic acid, oxaloacetic acid, etc. The schematic representation of Kreb's cycle is as follows:
Solution