In which one of the following do the two names refer to one and the same thing ?

In which one of the following do the two names refer to one and the same thing ?
  1. Krebs' cycle and Calvin cycle
  2. tricarboxylic acid cycle and citric acid cycle
  3. citric acid cycle and Calvin cycle
  4. tricarboxylic acid cycle and urea cycle

Solution

Tricarboxylic acid cycle is the same as citric acid cycle. It is also known as Krebs cycle. It is called so as the first compound formed is citric acid which is a tricarboxylic acid with carboxyl groups.

Asked in: NEET 2003

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