Organic compounds first evolved on Earth,whic | vedclass

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(B) During the process of chemical evolution,smaller and simpler organic compounds gradually combined to form complex organic compounds.Amino acids po

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Proteins and nucleic acids

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(B) During the process of chemical evolution,smaller and simpler organic compounds gradually combined to form complex organic compounds.Amino acids polymerized to form polypeptides and proteins.Similarly,nitrogenous bases (purines and pyrimidines) combined with sugars and phosphates to form nucleotides,which eventually polymerized to form nucleic acids ($RNA$ and $DNA$).These complex molecules were essential for the origin of life.

Organic compounds first evolved on Earth,which were required for the origin of life,were:

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