Question

It is said to be protoplasmic respiration when the respiratory substrate is __________.

Answer 1

Protoplasmic respiration:

1. It is the respiration that occurs during the shortage of carbohydrates and thus, protein is utilized as the substrate.
2. This type of respiration occurs rarely when the cells lack carbohydrates and fats.
3. Protoplasmic respiration yields ammonia, a toxic substance that causes the cell to die immediately.

Final answer: It is said to be protoplasmic respiration when the respiratory substrate is protein.