In mature mammalian erythrocytes,the respiration is

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

Alcohol is produced during the process of

Which of the following is a product of glucose fermentation by yeast?

The following diagram shows the main pathways of anaerobic respiration. What are $P, Q$ and $R$?

What amount of energy is released from glucose during lactic acid fermentation?