What is the net gain of $ATP$ when each molecule of glucose is converted to two molecules of pyruvic acid?

The phase common in both aerobic and anaerobic respiration is:

Which of the following enzymes is absent in mitochondria?

In $EMP$ pathway,hexose sugar splits into two molecules of triose sugar by the catalytic activity of

In glycolysis,during oxidation,electrons are removed by:

$A-$ During glycolysis,$2$ $ATP$ and $2$ $NADH_2$ are formed.
$R-$ $2$ $ATP + 2$ $FADH_2 + 4$ $NADH_2$ are produced during glycolysis.