Metabolism is a defining feature of all living organisms. Justify.

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Solution

All living organisms are made up of chemicals which belong to various classes and have different sizes and functions. In the cells, these chemicals are constantly being made and changed into some other biomolecules. These conversions or chemical reactions taking place in the body are collectively known as metabolism. All plants, animals, fungi and microbes exhibit metabolism. Non-living objects do not exhibit metabolism. So, we can say that metabolism is a defining feature of all living organisms without exception.

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Similar questions

Q. Which of the following is not defining feature of all living organisms?
(a) Reproduction
(b) Consciousness
(c) Metabolism
(d) Cellular organization

Q. 'Metabolism and consciousness become defining property of living organism'. Justify with reason.

1. what do you mean "in vitro" ? specifically on sentences"Cell division occurs in certain tissues to replace lost cells.Unicellular organisms grow by cell division .One can easily observe this in IN VITRO cultures by simply counting the number of cells under microscope".

And on sentence "Metabolism is a defining feature of all living organisms without exception ,isolated metabolic reactions IN VITRO are not living things but surely living reactions."

Q. Assertion (A): Cellular organisation of the body is the defining feature of life forms.
Reason (R): Isolated metabolic reactions are living reactions.

Q. Identify the characteristic feature of living organisms which is not considered as defining property.

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