Term
| Explain the 4 steps of the hypothesis for the origin of life. |
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Definition
1) Abiotic synthesis of organic monomers (non-living)
Examples: Sugers - Lipids - Nucleotides - 20 Amino Acids - ATP
2) Abiotic synthesis of polymers
3) Origin of self-replicating molecules: RNA
4) Formation of Pre-cell |
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Term
| What is thought to be the 1st self-replicating molecule to evolve? |
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Definition
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Term
| Describe the Biogenesis Paradox |
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Definition
| All life comes from a preexisting form of life. |
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Term
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Definition
| Small - No Membrane - Bound Organelles - No Nucleus - One Circular Chromosome - Binary Fusion - Unicellular |
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Term
| What are the two prokaryotic Domaines? |
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Definition
Bacteria & Archaea
(Archaea live in extreme environments) |
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Term
| What are the 3 typical bacterial shapes? |
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Definition
Sperical (cocci)
Rod Shaped (bacilli)
Spiral |
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Term
| What is an example of disease causing bacteria |
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Definition
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Term
| What is an example of a helpful bacteria? |
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Definition
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Term
| What are the 4 Eukaryotic domains |
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Definition
| Protist - Plants - Fungus - Animal |
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Term
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Definition
| Eukaryotic - Unicellular - Not Plants, Animal or Fungus - Catch all Kingdom - Evolved over 2 BYA - Evolved from Prokaryotes |
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Term
| What are two ways Eukaryotic cells evolved from prokaryotos |
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Definition
| membrane enfolding and endosymbiosis |
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