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


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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