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7 Cards in this Set
- Front
- Back
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Four processes needed for spontaneous origins of life on earth |
-synthesis of simple organic molecules -assembly of molecules into polymers - self replicating molecules to make inheritance -packaging of these membranes with internal Chen diff from enviro |
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Millers experiment |
-1953 -mix of org. Gases -heated it and ran electricity through it - after a week found variety of amino acids, nucleotides and org cmpds |
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Sources of org cmpds? |
Comets Volcanoes -Communities arnd deep sea hydrothermal vents |
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DNA |
-2 stranded -Contains nucleotides (AGCT) |
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Rna |
Single stranded - AGCV |
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What does rna do? |
Rna helps carry out processes of life we associate with DNA and proteins |
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Properties of RNA that support RNA hypothesis |
1. Self replicating and catalytic abilities 2. Short sequences of RNA have been able to duplicate/copy other RNA molecules accurately 3. RNA enzyme/ ribozymes (helps synthesize other molecules) 4.structure of ribozymes has Catalytic sites 5. Able to store info in sequences of nucleotides |
