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CBSE Gujarat Board Haryana Board

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Class 10 Class 12

Which one of the following amino acids was not found to be synthesized in Miller's experiment?

  • Glycine

  • Aspartic acid

  • Glutamic acid

  • Alanine


C.

Glutamic acid

Miller and Urey were the two scientists who recreated the conditions of primitive earth in laboratory and abiotically synthesized amino acids and bases. They synthesized glycine, aspartic acid and alanine in abundance quantities while glutamic acid is not synthesized in their experiment.

Miller and Urey were the two scientists who recreated the conditions of primitive earth in laboratory and abiotically synthesized amino acids and bases. They synthesized glycine, aspartic acid and alanine in abundance quantities while glutamic acid is not synthesized in their experiment.


What conditions were created by Miller in his experiment?

Miller  created electric discharge in a closed flask that contained CH4, NH3, H2 and water vapour at high temperature like 800°C

When did life appear on earth ?

 500 million years ago.

What is the phenomenon called when the original drifted population becomes founders?

Founder Effect.

Give another name for origin of life from non living matter.

Abiogenesis

Arrange the following substances in a proper sequence with regard to the formation of chemical constituents at the time of origin of life :

Sugar, methane, nucleic acid and amino acid.


Methane—sugar—amino acid—nucleic acid.