The citric acid cycle begins with the reaction . . . . . . .

$TCA$ cycle enzymes are present in

Where does the Krebs cycle take place?

The pyruvic acid formed in Glycolysis is oxidized to $CO_2$ and $H_2O$ in a cycle called

$(i)$ Label $A, B, C$ and $D$.
$(ii)$ How many $CO_2$ molecules are evolved between $A$ and Malic acid?
Choose the correct option from the following regarding the answers to the above questions $:-$

In the $TCA$ cycle,the conversion of succinyl $CoA$ to succinic acid requires which of the following?