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BioTech3

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Updated 2007-04-25 23:04

BioTech Final Exam

Terms

TermDefinition
in vitrooutside of cell
en vivoinside of cel
transformationmove DNA from one organism to another
sexexchanging of DNA
conjunctionmating
transductionvirus moves DNA
obligate Aerobesmust have oxygen to grow
Facultative Anaerobesgrow with or with out oxygen
Anaerobesgrow without oxygen
Catalasehydrogen perox to O and H2O
opportunistic pathonegenicif let go it will affect you
pathogenic bacteriagonna get us no matter what
toxinscause the disease not the growing of bacteria
antigenic determinant (epitope)specific site of an aintigen that binds to an antibody
lyticLyses the cell
Lysogenicintegrates with cell
Exotoxinsproteins, secreted by living bacteria
Endotoxinslipids, released from the cell membrane when cells die
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Seven Capabilities of a Pathogen

CapabilityMeaning
Reservoirplace to live
Portal of Entrysite where they get in
Adheringto a body surface
Invadethe body
Evadeour immune system
Multiplein the host
Exitleave the body
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Gram Pos vs. Gram Neg

AttributeMeaning
Gram Pospeptidoglycan layer
Gram NegLPS and peptidoglycan layer
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Five Steps in Viral Life Cycle

Step NumberMeaning
Step 1Attachment
Step 2Penetration
Step 3Replicate/Synthesis
Step 4Assembly
Step 5Release
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