List the two main propositions of Oparin and Haldane. - Vidyadip

Question

List the two main propositions of Oparin and Haldane.

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Answer

Oparin Haldane theory was given a chemical evolution.
Oparin and Haldane stated life originated from pre-existing non-living organic molecules e.g. RNA, protein etc. the conditions on earth favouring chemical evolution storms, reducing atmosphere containing $\mathrm{CH}_4, \mathrm{NH}_3$, etc.

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