In trees,the death of protoplasm is essential for a vital function such as

Explain the history of respiration.

The process by which there is inhibition of aerobic respiration by atmospheric ${O_2}$ is known as:

Respiration involves breaking of . . . . . . bonds of complex compounds through oxidation within the cells,leading to release of considerable amount of energy.

Why can food be kept for a longer time in a cold storage compared to normal conditions?

$CO_2$ is released during which of the following processes?