BIOL 1201 Study Guide - Midterm Guide: Louis Pasteur, Radiometric Dating, Spontaneous Generation
Document Summary
Observed that maggots appeared after dead meat was left out: broth in flask is boiled to kill preexisting microorganisms, as broth cooled, condensing water collects which seals the mouth of the flask. Chemical traces in rocks are tested to show that life existed about. 3. 8 billion years ago (all existing cells come from preexisting cells) Fossil bacteria in rocks 3. 5 billion years old. Microsphere like protocels surrounding more complex organic molecules like- rna, carbs, proteins, lipids. First prokaryotes: positive result- gaining info that supports the hypothesis, negative result- does not support your hypothesis; must rethink your hypothesis based on this information. Interphase, grow (g1), replicate dna (s), grow more (g2), mitosis: o prophase, metaphase, anaphase, telophase: skin cancer: cells go through this cycle without control, dna replication (s phase) Separation of parental dna helix (protein unzips the dna helix) Produces two daughter helices (identical copies of the original)
