The incomplete breakdown of sugars in anaerobic respiration results in the formation of

Incomplete breakdown of glucose in anaerobic respiration will produce.....

During lactic acid fermentation, . . . . . .

Conversion of pyruvic acid into ethyl alcohol is facilitated by the enzymes

The energy yield in terms of $ATP$ is higher in aerobic respiration than during anaerobic respiration. Why does anaerobic respiration occur even in organisms that live in aerobic conditions,such as human beings and angiosperms?

In fermentation, yeast secretes one of the following enzymes: