Concept explainers
Introduction:
The origin of life includes various hypothesis like the Primordial soup hypothesis which included the mixing of various substances like methane, urea, ammonia and water, which combine to form amino acids in the liquid broth mixture when stimulated by an electric discharge.
1)
Answer to Problem 1A
Correct answer:
The stimulatory effect of sunlight causes formation of polymers of polypeptides leading to the origin of life.
Here, option (c) is the correct answer.
Explanation of Solution
The protein first hypothesis involves the formation of the protein polypeptides which form microspheres, due to stimulatory action of sunlight. Small proteinoids are formed from polypeptides polymers, which combine to form the microspheres. This gives the protein molecule an added selection advantage over previous metabolites in the cell.
2)
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Chapter 18 Solutions
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