MICR 221 Study Guide - Midterm Guide: Beer Engine, Georges Pouchet, Spontaneous Generation

• School: Queen's University
• Department: Microbiology and Immunology
• Course: MICR 221
• Professor: Jarrell

Document Summary

Thought toads and frogs came from contaminated water. Put cheese under rags in a dark corner. Had 3 flasks of meat, one sealed, one unsealed, one sealed with gauze. Unsealed: flies attract and lay eggs on meat: maggots. Gauze: flies attract and lay eggs on gauze, not meat. One sealed, one unsealed, one boiled and unsealed, one boiled and sealed after. If you can keep a sterile solution from air, it will stay sterile. Says spallanzani is wrong because everything needs air. Draw neck of flask out and let it open. Air could get in but other things get stuck and settle in neck. Man tried to save cat choking on a mouse. Things diseases are contagions passed between humans during intercourse. Women were dying during birth from gross hospitals. To combat outbreaks, he does surgery under a mist of phenol. Must be present in all cases of the disease. Must be able to be isolated form the diseased host.