BIOL 1001 Lecture Notes - Lecture 3: Christian Culture, Carl Linnaeus, Binomial Nomenclature
Document Summary
Control groups should be tested as treatment groups. If you treat experimental and control groups under the same circumstances, the variables will be accounted for. Patients who took antacids reduced symptoms of ulcers. Warren used stains the specifically highlighted bacteria on his slides while doing treatment for ulcers. If the excess acid hypothesis were true, the antibiotics treatment would not have any effect on the experimental and control groups, therefore the graphs would look the same. Relative to the (cid:361)excess acid(cid:362) hypothesis, the (cid:361)bacteria cause ulcers(cid:362) hypothesis represents an alternative hypothesis. With warren"s study, 80% of patients had been permanently cured from ulcers. Warren"s colleague, marshall swallowed a flask of h. pylori from the lab to prove the scientific field of this hypothesis; this evidence has errors such as. Marshall could"ve had h. pylori before and also, there is no control/experimental variables. The medical community accepted the hypothesis of bacteria cause ulcers after 15 years + more research.
