The process of respiration is concerned with

Yeast is

Write the differences between fermentation and aerobic respiration.

Respiration is an energy-releasing and enzymatically controlled catabolic process which involves a step-wise oxidative breakdown of organic substances inside living cells. In this statement about respiration,explain the meaning of $(a)$ Step-wise oxidative breakdown $(b)$ Organic substances (used as substrates).

Respiration is seen in

Which of the following is produced during respiration?