• Biochemistry

    ORIGIN OF LIFE

    The earth was formed about five billion years ago. At that time it was extremely hot. The existence of life in any form at that high temperature was not possible. As such, two questions arise pertaining to life: 1. How did life originate on earth? 2. How did primitive organisms evolve into new forms resulting in the evolution of a variety of organisms on earth? Origin of life means the appearance of simplest primordial life from nonliving matter. Evolution of life means the gradual formation of complex organisms from simpler ones. Chemosynthetic Theory of Origin of Life Several theories have been put forth to explain the origin of life. The…

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