Metabolism is a defining feature of all living

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.

Solution:

Metabolism is defined as the total of all chemical reactions that take place inside the body. Metabolism is purely characteristic of living beings. No living organism can

exhibit metabolism. In a cell-free system, these reactions can be replicated that is outside a living body.

These reactions never lead to a new life or maintenance of life. Therefore it can’t be called living.

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