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Sabita Mohanty
Query: 21 / Answer: 12

09th Jun 2019 .

State two postulates of Oparin and Haldane with reference to origin of life.

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Chitrasen Sahoo
Query: 16 / Answer: 18

09th Jun 2019 .

The two postulates of Oparin and Haldane with reference to origin of life are:
 
(i) The first form of life could have come from pre- existing non-living organic molecules (e.g., RNA, protein, etc.) and that formation of life was preceded by chemical evolution.
 
(ii) The primitive atmosphere was of reducing type, i.e., containing gases like CH4, NH3, etc. The Earth had high temperature and volcanic storms. There was no free oxygen
 
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