Chapter 1 Flashcards
pathogen
causes diseases
What are some of the roles microorganisms play in our lives?
They participate in photosynthesis, and break down waste
How are microorganisms named?
They have two names: genus (capitalized) and species {lowercase}
eukaryotic cells
multicellular, DNA found in an enclosed nucleus, membrane bound organelles, plant/animal cells, multicellular
prokaryotic cells
no membrane bound nucleus, no membrane bound organelles
bacillus
rod-like
coccus
spherical
spiral
curved or corkscrew
Are viruses considered to be living or non-living? Why?
Non-living. Because it can’t reproduce
Who was the first to observe cells and give them their name?
Robert Hooke
Biogenesis
living cells that can only come out of other living cells
Review the S-neck flask experiment. Who did it? What did it prove?
Louis Pasteur. proved that spontaneous generation was false
What is Robert Koch credited with?
discovered trying to find causes of specific disease by using Koch’s Postulates
What are Koch’s Postulates? When are they used? Why are they important?
Koch’s postulated is a sequence of steps for relating microbes to a specific disease. You would use it when you are trying to identify a cause of a specific disease. They are important because they help find causes to specific diseases
What was Edward Jenner? What did he do?
Edward Jenner showed that cowpox could give people immunity to smallpox. When then invented vaccination.
