1 the model of life originating on earth is called
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1) The model of life originating on earth is called. A) Miller-Urey B) rna world C) Oparin -Haldane D) extra-terrestrial E) lateral gene transfer. 2) ribozymes. A) have genotypes B) have phenotypes C) have both phenotypes and genotypes D) can evolve via natural selection

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1 the model of life originating on earth is called
1) The model of life originating on earth is called
  • A) Miller-Urey
  • B) rna world
  • C) Oparin-Haldane
  • D) extra-terrestrial
  • E) lateral gene transfer
2 ribozymes
2) ribozymes
  • A) have genotypes
  • B) have phenotypes
  • C) have both phenotypes and genotypes
  • D) can evolve via natural selection
  • E) all of the above
slide3
3-5) A) = 12 billion years; B) = 16 billion years; C) = 4.5 billion years; D) = 3.465 billion years; E) = 3.85 billion years
  • 3) age of the universe = 16b
  • 4) oldest known cells = 3.465b
  • 5) age of the earth = 4.5b
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