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Microbiology
Exam 2
49
Microbiology
Professional
03/07/2012

Additional Microbiology Flashcards

 


 

Cards

Term
Sulfa drugs
Definition
Folic acid synthesis
Term
Quinolones
Definition
DNA synthesis
Term
Penicillins
Definition
Peptidoglycan synthesis
Term
Cephalosporins
Definition
Peptidoglycan synthesis
Term
Chloramphenicol
Definition
50s ribosomal subunits
Term
Erythromycin
Definition
50s ribosomal subunits
Term
Tetracyclines
Definition
30s ribosomal subunit
Term
Aminoglyosides
Definition
30s ribosomal subunits
Term
Polymyxins
Definition
Cell membranes
Term
Autoclaving
Definition
steam under pressure for sterilization, good penetration, 121 deg C for 15-20 min
Term
Boiling
Definition
sterilize liquids, 10-15 min
Term
Incineration
Definition
dry heat, burn
Term
Baking
Definition
dry heat, 160 deg C for 2 hours
Term
Hand washing
Definition
mechanical method to reduce #'s, does not sterilize
Term
Filtration
Definition
blocks passage of microbes, liquids only, adjusted pore size
Term
UV radiation
Definition
doesn't penetrate well, sterilizes surfaces, damages DNA
Term
Ionizing radiation
Definition
good penetrating power, will destroy DNA
Term
Beta lactamases
Definition
break down antibiotics with a beta lactam ring structure, e.g. penicillin
Term
R plasmids
Definition
resistance plasmids that code for enzymes or protiens that allow bacteria to become resistant
Term
Mesosome
Definition
where a bacteria's DNA attaches to the membrane
Term
Transformation
Definition
uptake of free DNA
Term
Conjugation
Definition
transfer of DNA by F plasmid
Term
Transduction
Definition
transfer of DNA by bacterial virus
Term
F plasmid
Definition
fertility plasmid, used in conjunction, used to code for a hollow pilus
Term
Pilus
Definition
fimbriae, short hair like structures, but lack the internal structure of cilia, used for transportation of genetic material
Term
Lysogenic viruses
Definition
will put its genetic information in site specific points on the hosts chromosome, while this is occuring it will be inactive, once it leaves it will start the lytic cycle again
Term
Koch's Postulates
Definition
rober koch, how to discover which microbe actually causes which disease
Term
Linnaeus
Definition
classification system, binomial nomenclature
Term
Classification system
Definition
Kingdom, Phylum, Classes, Orders, Families, Genera, Species
Term
Whittaker Classification system
Definition
Monera, protista, fungi, animal, plant
Term
Hooke
Definition
first to see/ name cells
Term
Leeuwenhoek
Definition
first to see microbes
Term
Pasteur
Definition
germ theory
Term
Abbe
Definition
oil immersion
Term
Composisiton of peptidoglycan
Definition
amino sugars (NAG, NAM), tetrapeptide of amino acids, pentaglycine bridge
Term
Lag
Definition
period of adjustment in bacterial growth
Term
Log
Definition
period of active growth in bacteria
Term
Stationary
Definition
number of cels produced = number dying for bacteria
Term
Decline
Definition
decrease in overall growth
Term
Psychrophile
Definition
cold temperatures
Term
Mesophile
Definition
moderate temperatures
Term
thermophile
Definition
hot temperatere
Term
Capnophilic
Definition
requires additional CO2
Term
Halophilic
Definition
Requires salt
Term
Barophilic
Definition
needs a certain pressure
Term
enriched media
Definition
extra nutrients to favor more fastidious organisms. e.g. blood agar
Term
differential media
Definition
diferentiaion of mixed cultures, usually by showing differences in colonial characteristics
Term
selective media
Definition
inhibit some organisms but allow others to grow
Term
biochemical media
Definition
works with enzyme/substrate reactions
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