The structure of a bacteria cell (study from pg. 83 in the book for a better picture and
cell part descriptions
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What do fastidious bacteria require?
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, -they require growth factors and complex nutrients
-they grow in blood agar, and the Thayer-Martin media (chocolate agar)
Eukaryotic
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A single celled organism that is bigger then a prokaryote and has a nucleus.
It also has membrane-bound organelle.
Functions and benefits of agar
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-it functions as a solid media that you can grow cultures on
-it's not a nutrient for microbes. so they can grow on it, but not eat away at
it.
Pour plate method
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1) culture diluted in liquid agar beforehand
2) poured into plates
3) colonies form in and on the agar
,Protoplast
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a bacterial cell whose cell wall is completely lacking and that is vulnerable
to osmotic lysis
What is the function of the glycocalyx?
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-phagocytosis
-protects against dehydration
-keeps nutrients inside cell
-may help cell adhere to environment
Subculture
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-a new cell or microbiological culture made by transferring some or all
cells from a previous culture to fresh growth medium
Coccus Vs. Bacillus Vs. Spirillum
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, look in the book or your lecture notes for better drawings!
Coccus are tiny sphere, Bacillus are ovals, and spirillum are squigly lines
Fermentation media
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-contains sugars and PH indicators
-shows fermentation
Complex media (non-synthetic)
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-One or more components is not chemically definable
-ectracts of animals or plants ground up
-more commonly used
-examples are yeast extract, milk, PEPTONE, and blood
Immunology
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This branch of Microbiology studies the complex web of protective
substances and cells produced in response to infection.
cell part descriptions
Give this one a try later!
What do fastidious bacteria require?
Give this one a try later!
, -they require growth factors and complex nutrients
-they grow in blood agar, and the Thayer-Martin media (chocolate agar)
Eukaryotic
Give this one a try later!
A single celled organism that is bigger then a prokaryote and has a nucleus.
It also has membrane-bound organelle.
Functions and benefits of agar
Give this one a try later!
-it functions as a solid media that you can grow cultures on
-it's not a nutrient for microbes. so they can grow on it, but not eat away at
it.
Pour plate method
Give this one a try later!
1) culture diluted in liquid agar beforehand
2) poured into plates
3) colonies form in and on the agar
,Protoplast
Give this one a try later!
a bacterial cell whose cell wall is completely lacking and that is vulnerable
to osmotic lysis
What is the function of the glycocalyx?
Give this one a try later!
-phagocytosis
-protects against dehydration
-keeps nutrients inside cell
-may help cell adhere to environment
Subculture
Give this one a try later!
-a new cell or microbiological culture made by transferring some or all
cells from a previous culture to fresh growth medium
Coccus Vs. Bacillus Vs. Spirillum
Give this one a try later!
, look in the book or your lecture notes for better drawings!
Coccus are tiny sphere, Bacillus are ovals, and spirillum are squigly lines
Fermentation media
Give this one a try later!
-contains sugars and PH indicators
-shows fermentation
Complex media (non-synthetic)
Give this one a try later!
-One or more components is not chemically definable
-ectracts of animals or plants ground up
-more commonly used
-examples are yeast extract, milk, PEPTONE, and blood
Immunology
Give this one a try later!
This branch of Microbiology studies the complex web of protective
substances and cells produced in response to infection.
