In fermentation,$NADH$ is oxidised to $NAD^+$ at a ..... rate.

The enzyme involved in alcoholic fermentation is .........

The inhibitory effect of $O_2$ on the rate of anaerobic respiration is known as:

The energy-releasing metabolic process in which substrate is oxidized without an external electron acceptor is called:

Carbon dioxide $\left( CO _{2}\right)$ is not released during

In human skeletal muscle,anaerobic respiration leads to the formation of $.....P.....$,and in yeast cells,anaerobic respiration leads to the formation of $.....Q.....$.