BIOL 1202 : Exam 1 Notes
Document Summary
Earth is about 4. 6 billion years old. Would look like molten lava, very hot. A few centuries ago: people thought that new living things appeared all. Earth is about 4. 6 billion years old: found by dating rock found from the moon, radiometric dating of meteorites and moon rocks. Simple experiment to test the hypothesis if life can be spontaneously generated: failed. It would take millions of years to actually form life. No on has been to produce life from non life in a lab. Separate the living thing from the outside environment: all living things use a membrane to do this. In order to make a egg, you need a chicken, in order to make chicken, you need an egg. Now: dna rna protein (central dogma of biology: need protein to synthesize more dna. Rna was utilized to store genetic info and catalyze chemical reactions.
