MCB 181R Lecture Notes - Lecture 2: Microorganism, Sickle-Cell Disease, Thermodynamics

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Thursdays till 7:00 pm --> learning assistants office hours. Fridays till 4:00 pm --> learning assistants office hours. Life doesn"t break the fundamental laws of chemistry and physics. Involves the complementary process of observation and hypothesis. Are results consistent with hypothesis or do they reject the hypothesis. Theories are much bigger and broader than hypotheses that have been tested. In science, a theory is a well-substantiated explanation of some aspect of the natural world, that is. Is supported by tested (and not rejected) hypotheses. Cell theory and evolutionary theory are the best supported theories in science world. The scientific method used to solve a mystery: Iridium, common component of meteorites, was found in rocks at layers in which dinosaurs went extinct. The meteor falling to the earth disrupted the environment and that caused the extinction of the dinosaurs. Crystal quartz that only form at high temperature and pressure--conditions that align with a meteor hitting earth.

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