origin of life
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| abiogenesis or spontaneous generation | show 🗑
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| jean von helmont | show 🗑
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| leeuwenhoek | show 🗑
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| show | boiled chicken for LESS than five minutes and then placed in a sealed flask. He found that microorganisms grew. (proving abiogenesis)
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| spallanzini | show 🗑
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| francesco redi | show 🗑
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| louis pasteur | show 🗑
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| show | life comes from life
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| show | discovered in the 1920s by Oparin and Haldane.
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| show | 1953- duplicated the primitive atmosphere and after one week produced two amino acids.
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| Sidney Walter Fox | show 🗑
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| microspheres | show 🗑
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| coacervates | show 🗑
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| primitive earth, 4.5 billion years ago | show 🗑
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| primitive atmosphere | show 🗑
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| what types of energy convert primitive gases into ions... | show 🗑
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| H20 turns from vapor into water as it rains for millions of years, meaning.. | show 🗑
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| show | phosphorus and salts enter the water basins, meaning that important materials enter the water and can bond with ions to form the building blocks of life.
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| ions recombined forming WHAT simple organic molecules? | show 🗑
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| show | polysaccharides, lipids, proteins, DNA, and RNA.
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| show | since the glycerol part of phospholipids are hydrophilic while the fatty acids are hydrophobic, they formed spheres called microspheres; eventually, proteins entered these spheres. this led to the formation of cell membranes.
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| DNA in the core of a microsphere/coacervate | show 🗑
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| show | heterotrophic, anaerobic, and prokaryotic; anaerobic respiration led to CO2 being released into the air.
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| CO2 in the atmosphere means that.. | show 🗑
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| evolution leads to... | show 🗑
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| show | aerobic respiration can occur--> leads to Eukaryotic cells.
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| ozone finally forms fully | show 🗑
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| show | the relationship (mutualism) between organisms like the mitochondria, chlorophyll and the ancient prokaryotic cells which eventually led to simple cells becoming complex and life finally evolving into actual organisms.
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