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(A) According to the Oparin-Haldane hypothesis,the early Earth's atmosphere was reducing and contained simple molecules like $CH_4, NH_3, H_2,$ and $H

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Heat,cosmic rays,and lightning

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(A) According to the Oparin-Haldane hypothesis,the early Earth's atmosphere was reducing and contained simple molecules like $CH_4, NH_3, H_2,$ and $H_2O$. Energy sources such as high-energy ultraviolet radiation (cosmic rays),volcanic heat,and electrical discharges (lightning) were essential to drive the chemical reactions that synthesized the first organic monomers from these inorganic precursors. Therefore,a combination of these energy sources was responsible for the abiotic synthesis of organic compounds.

What was the primary source of energy at the time of the origin of life on Earth?

Similar Questions

Which of the following statements stands in favour of abiogenesis?
$I.$ Spontaneous generation
$II.$ Origin of viruses and microbes
$III.$ Origin of life from living organism
$IV.$ Origin of life from non-living organism
The correct combination is

The proponent of the theory of spontaneous generation was

Why is nascent oxygen considered to be toxic to aerobic life forms?

Assertion: The primitive atmosphere was a reducing one,i.e.,without oxygen.
Reason: In the primitive atmosphere,oxygen was involved in forming ozone.

Who provided experimental evidence that hydrogen,methane,water,and ammonia form amino acids?

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