Medical
Biology
Aerobic Respiration
Krebs Cycle
Electron Transport System
Question
The first compound of the TCA cycle is

Oxalo-succinic acid

Oxaloacetic acid

Citric acid

Cis-aconitic acid

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Solution
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· TCA cycle is also known as Krebs cycle. TCA cycle stands for the tricarboxylic acid cycle, which signifies that the first stable product is having three carboxylic groups.
· The first stable product is citric acid, which is a tricarboxylic acid. It is produced by the condensation of one molecule of acetyl CoA and one molecule of oxaloacetic acid.