Question

Metabolism is a defining feature of all living organisms without exception. Isolated metabolic reactions in vitro are not living things but surely living reactions. Comment.

Answer 1

Metabolism :

Metabolism is the sum total of all the reactions taking place in the cell. It involves both anabolic reactions and catabolic reactions. It is a defining characteristics of living beings.

Living things vs living reactions :

• In vitro is Latin for "within the glass." In vitro, means happening outside a living organism.
• Metabolic reactions do take place outside the cell in a test tube In vitro methods used in a laboratory to study bacterial, animal, or human cells in culture.
• These reactions are considered to be living reactions, but not living things.