Midway High School Ms. Harborth 2013-2014

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23 Οκτ 2013 (πριν από 3 χρόνια και 7 μήνες)

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Midway High School

Ms. Harborth 2013
-
2014


It’s the study of microscopic organisms (tiny
living things, basically)


What are some examples of these?

Eeeek
! This
can’t be
right?!?


First the bad news…


Microorganisms are the
leading cause of death on earth
EVER!


Know our enemy


Now the good…


Genetic engineering


Environmental


Immunology


How much % of oxygen on Earth do you think
comes from microbes?


What % of the earth’s biomass do you think
comes from microbes?


How excited are you for this class?


1590


First compound light microscope


Zacharias Janssen

You are
WELCOME!


1676


First observation of bacteria
“animalcules”.


Father of Microbiology


Anton Von Leeuwenhoek


1796


First vaccine (smallpox)


Edward Jenner


1857


Germ Theory of Disease


Louis Pasteur


1867


Antiseptic surgery


Joseph Lister


1884
-

Koch’s Postulates of Disease
Transmission


Robert Koch


1885


Rabies Vaccine


Louis Pasteur


1929


Discovery of Penicillin (first antibiotic)


Alexander Fleming


1938


First electron microscope


Capable of magnifying specimens by 1,000,000
times!


1953


Structure of DNA Revealed


Watson and Crick


1954


Polio vaccine


Jonas Salk


Genetic engineering


Cloning


Human Genome Project


Biotechnology



Virus


between 10 and 1000 nanometers


Bacteria


between 0.1 and 5 micrometers


Human eye can see as small as .1 mm




PS


nanometer = 1/1,000,000,000 of a meter




micrometer = 1/1,000,000 of a meter


Compound light microscope


Living organisms


1,000 mag or less


Electron microscope


Non
-
living organisms


> 1,000 mag


Incubator


Staining


Microbial culture


Petri dish


Culture media


3 pure culture techniques:


Inoculation


Isolation


I
dentification