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Origin of Life. K. Sathasivan. Are we alone?. Yes No. How do you think life originated on earth?. Extraterrestrial aliens brought it Came with meteors from other planets Some superhuman powers created it Chemical from primordial soup combined to make life None of the above.

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origin of life

Origin of Life

K. Sathasivan

how do you think life originated on earth
How do you think life originated on earth?
  • Extraterrestrial aliens brought it
  • Came with meteors from other planets
  • Some superhuman powers created it
  • Chemical from primordial soup combined to make life
  • None of the above
possible steps in the origin of life
Possible Steps in the Origin of Life

Protobionts and Liposomes

which came first
Which came first?
  • DNA
  • RNA
  • Protein
  • Carbohydrates
  • Lipids

DNA  RNA  PROTEIN

(Genetic (Information (Catalytic and Information) and catalytic) Structural)

which of the following is are testable hypothesis about origin of life on earth
Which of the following is/are testable hypothesis about origin of life on earth?
  • Extraterrestrial aliens brought it
  • Came with meteors from other planets
  • Some superhuman powers created it
  • Chemical from primordial soup combined to make life
  • None of the above