IGNAZ SEMMELWEIS'S HN. MICRO FINAL EXAM: SHORT ANSWER ALREADY PASSED

IGNAZ SEMMELWEIS'S HN. MICRO FINAL EXAM: SHORT ANSWER ALREADY PASSED Ignaz Semmelweis's contributions to microbiology? Reduced childbed fever by enforcing more sanitary practices. Louis Pasteur's contributions to microbiology? Helped disprove spontaneous generation. Developed technique of pasteurization. Associated specific organisms with certain diseases. Contributed to the development of vaccines. Joseph Lister's contributions to microbiology? "Father of Antiseptic Surgery." Developed aseptic techniques. Made the first disinfectant. Alexander Fleming's contributions to microbiology? Discovered Penicillin. Robert Koch's contributions to microbiology? Identified the bacteriums that cause anthrax and tuberculosis. Studied cells in vitro. Helped establish the germs theory of disease. Did research on cholera, sleeping sickness, and typhoid fever. Edward Jenner's contributions to microbiology? Developed the vaccine for smallpox. Paul Ehrlich's contributions to microbiology? Research in chemotherapy. Discovered that some dyes only stain microorganisms. Suggested that some dyes or chemicals might selectively kill microbial cells. "Magic Bullet," destroys specific bacteria without damaging tissue. Developed agents to combat syphilis and sleeping sickness. State the Germ Theory of Disease. Microorganisms invade other organisms and cause disease. How did the ancient Chinese guard against smallpox infection? They would take the dried scabs of smallpox lesions, crush them up into a powder, and then sniff them. Name three things that heat fixation accomplishes. 1. It kills organisms 2. Causes organisms to adhere to the slide 3. Alters organisms so it's easier for them to accept stains How do some antibiotics and disinfectants kill bacteria? By affecting cell wall synthesis or weakening the cell wall until the cell dies.