Chapters 1 (Science), 8 (Nutrition)
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▶Biology is the scientific study of living things. SO...
What is Science? What is Life? KEY TERMS: Biology Science Hypothesis Verifiable Falsifiable Theory Reasoning by Induction vs Deduction Devising hypotheses: Induction Analogy Flights of imagination —therefore the NEED TO TEST hypotheses Experimental vs Naturalistic tests |
IS THIS IDEA A SCIENTIFIC HYPOTHESIS?
ANY COMMENTS ABOUT DANAE'S STATEMENT?
Example of an experiment:
Lederberg & Lederberg's "Replica Plating" experiment.
Most bacteria are killed by streptomycin, but an occasional colony is found that is streptomycin-resistant and grows anyway.
Offsping of this colony are also streptomycin-resistant, showing that the antibiotic resistance is inherited as a genetic trait (a "mutation").
QUESTION: Did the streptomycin cause the mutation, or did the mutation happen before any exposure to streptomycin?
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SCIENTIFIC COMMUNITIES and PARADIGMS: The scientific community: Renaissance Europe; Galileo; Royal Society Skepticism vs Science Denial Paradigms; Scientific revolutions |
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SCIENCE and SOCIAL (ETHICAL) ISSUES: Deontological vs Utilitarian systems Types of issues in science Use of animals as experimental subjects Humans as experimental subjects |
NUTRITION AND DIGESTION
▶ PowerPoint slides
Water
Nutrition
Chart of digestion
Nutrition (again)
Ques.1 Ques.2
Circulation
Ques.3