| week 1, 9-12 |
Answer |
| Q: Microbiology was born as a science in what year and by who? |
A. Anthony van Leeuwenhoek in 1674 |
| q. Van Leeuwenhoek made the first microscope to "____________"? |
a. "animalcules" |
| q. All organisms which are dependant upon host are? |
a. Parasites |
| q.Detractors to the Spontaneous Generation theory included what three people? |
a. 1Francesco Redi, 2.Louis Pasteur 3.John Tyndall |
| q. Who disproved Spon. Gen. by using flies? |
a. italian biologist and physician Francesco Redi |
| q. Who is considered the father of modern microbiology? |
a. Louis Pasteur |
| q. Who demonstrated that the air is filled with microorganisms by using a swan neck flask and a cotton plug and infusions. |
a. Louis Pasteur |
| q. Who explained discrepancies to pasteurs results due to heat resistant life forms? |
a. John Tyndall |
| q. Who discovered endospores? |
a. German botanist Ferdinand Cohn |
| q.Robert Koch was able to establish _____________ role in disease transmission. |
a. endospore |
| q. In what year did Antony van Leeuwenhoek observe bacteria and protozoa using his first microscope? |
a. 1676 |
| q. In what year did Edward Jenner introduce a vaccination procedure for smallpox? |
a. 1796 |
| q. What did Mathias Schleden and Theodor Schwann propose in 1838-1839? |
a. that all organisms are composed of cells, the basic unit of life. |
| q. Ignaz Semmelwels demonstrated that puerperal or childbed fever is a contagious disease transmitted by physicians to their patients during childbirth in what years? |
a. 1847-1850. |
| q. In 1853-1854 what did John Snow demonstrate ? |
a. that the cholera epidemic was due to a water supply contaminated with human sewage. |
| q. Who demonstrated that yeast can degrade sugar to ethanol and carbon dioxide ? |
a. Pasteur 1822-1895 |
| q. 1827-1912 ? |
a. Joseph Lister and antiseptics. |
| q. In 1843-1910 who demonstrated that anthrax is caused by a bacterium, introduced pure culture techniques for handeling bacteria, ieentifies the causative agent of tuberculosis, and stated his own postulates? |
a. Koch |
| q. Who discovers phagocytes and their role in engulfing bacteria in 1845-1916? |
a. Elie Metchnikoff |
| q. What did Paul Ehrlich start in 1908? |
a. Chemotherapy to treat diseases. |
| q.1928 who discovered genetic transformation in bacteria? |
a. Fredrick Griffith |
| Q. what did Alexander Fleming do? |
a. Fleming discovers and describes the properties of the first antibiotic, penicillin. |
| q. 1944 what did Avery, MacLeod, and McCarty do? |
a. demonstrated that Griffith's transforming principle is DNA. |
| q. 1944 what did Joshua Lederberg and Edward Tatum demontrate about DNA ? |
a. that it can be transferred from one bacterium to another CONJUGATION. |
| 1953. q. What contribution to DNA did Watson, Crick, Franklin and Wilkins make? |
a. determined the structure of DNA. |
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