Which of the following forms the connecting link between glycolysis and Kreb's cycle?

In the Krebs cycle,$\alpha$-ketoglutaric acid is converted into malic acid. During this phase,how many $NADH$,$FADH_2$,and $ATP$ are formed?

In which of the following parts of the mitochondria is the succinic dehydrogenase enzyme located?

The vitamin which helps in carbohydrate metabolism during glycolysis and $TCA$ cycle is

In mitochondria,where do the Krebs cycle and oxidative phosphorylation take place,respectively?

The membrane-bound enzyme involved in the Kreb's cycle is: