In the origin of life, microspheres are most primitive protobiont, which have a membrane of

  • A

    Lipids and proteins

  • B

    Lipids

  • C

    Carbohydrates

  • D

    fats

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Which of the following is vestigial organ in humans

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A living connective link which provides evidence for organic evolution

Assertion : The earliest organisms that appeared on the earth were non-green and presumably anaerobes.

Reason :The first autotrophic organisms were the chemoautotrophs that never released oxygen.

  • [AIIMS 2006]