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Transcript of Microbiology
*what does micro mean?
The study of little things like:
classified by shape:
like Streptococcus and Staphlyococcus
How big are protists, bacteria and viruses?
*protists are tiny
*bacteria are really really tiny
*viruses are WAY more tiny than either one!
*super duper small
*not made of cell so not even considered living
*simply a protein capsule containing DNA
*cannot reproduce on their own
roles of bacteria
1.cause infections, killed with antibiotics
3.in our food
*bad- spoiled milk, cook meat, e.coli contamination
*insulin producing bacteria
reproduce with the lytic cycle
combat with vaccines
(dead or weakened versions of the virus so your body makes antibodies to it)
Protists are the largest group in microbiology...and the most complex...and diverse
found everywhere, common in water
have specialized structures for moving, which is what they are classified by
very important! because they are a colony of single celled protists
they are the evolutionary connection between single celled and multicellular organisms