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Flashcards in Bacterai Deck (6)
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1

what is it Genetic transformation

when ahost organism takes in foreign DNA and expresses the foreing gene

2

Describe E.coli

Most common bacteria in intestines, extensively studied and important research organism.

Reproduce rapidly

some contain plasmid, small Dna molecule, that carry genes for specialized functions and resistance to certain drugs.

3

what is plasmid

circular pieces of DNA that exist outside bacterial chromosome and carry their own genes for specialized functions.

means that introduce foreing DNA into bacteria cell.

Dont merge with chromosome

4

why is sterile so importnat

so that you dont fall sick or make your work sick

5

what is purpose of CaCl

2

to weaken cell wall, so plasmid can travel

6

what is purpose of heat of shock

to make ampR plasmids travel easily through bacteria cell wall and membrane.

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