Card Set Information
Heather Hug Microbiology University of Toledo
T or F: Basteria have a Peptidoglycan cell wal
How do bacteria reproduce?
Lack peptidoglycan & cellulose
T / F: Archea live in extreme enviornments
T / F: fungi use
chemicals 4 energy
Fungi cell walls
What type of cell wall does Algae have?
Cellulose cell walls
T / F: viruses can live on their own
F, must have living host cell
T / F: viruses have both DNA & RNA
F, virsues have either DNA or RNA
Viroids cause what dieases?
Diseases in plants
Where is DNA or RNA core located in viruses?
Surrounded by a protien coat, inside an lipid envelope
What makes up a viroid?
Short piece of RNA w/ no protien coat
T / F: Viroids R bigger than viruses?
F, viroids R smaller & simpler
Infectious Protiens are called __________
Prions are infectious protiens. What do they cause?
Neurodegenerative diseases (mad cow diease in cattle)
T /F: Prions contain no nucleic acid
T, prions contain no nucleic acid
Who established the naming system of scientific nomenclature?
How are scientific names abbreviated?
W/ 1st letter of genus & specififc epithet
Process of repeated heating / cooling
Discovered bacteria produced spores responsible for heat stable forms
Golden age acchievements
Koch's Postulates (Kim's Pimp)
Lister's Sterilization exper. (Lickd Sisters)
Jenner's Vaccine exper. (Jenny & Vacc)
Pasteur's Rabies vaccine (then Pissed Rabies)
Same organism can be found in all & only sick animals
Organisms can be obtained and grown in pure cultures
Inoculation of cultured cells n2 healthy animals transfers disease
Same organism can be reisolated from infected animal & cultured again
invented 1st anitibiotic, Penicillin
Basic stains carry what charge?
Positive & colors organism
Acidic stains carry what charge?
Nevative & colors outside area
Identify this stain as Simple, Differential, or structural. Shows increased contrast betweeen cell & background, all cells same color
Identify this stain as Simple, Differential, or structural. Used to identify specific bacteria structures
structural (like Spore staining)
Identify this stain as Simple, Differential, or structural. Multiple reagents used & used to tell 1 bacteria from another
Differential (Gram Stain most often used)
Gram positive bacteria stains this color...
Gram negative bacteria stains this color...
Primary Stain: stains cell
Mordent: Holds primary dye into cell
Decolorizer: removes primary dye from Gram Neg.
2ndary/Counter stain: recolors cells that lose stain threw decolorization
Rod shaped: ()
T / F: Prokaryokes have a Cell wall
Gram positive _________ crystal violet iodine. Retain or Lose?
Gram negative ________ crystal violet iodine? Retain or lose?
Inhibits peptide bridges in peptidoglycan
digests disaccharide in peptidoglycan
Has selective permeability
Trace elements requried in minute amounts to....
Assist in enzyme function
Trace element examples....
Cobalt, Zinc, Copper, Manganese
Photoautotroph uses an energy source & carbon source. What R they?
Light & CO2
Photoheterotroph uses an energy source & carbon source. What R they?
Light & Organic Compounds
Chemoautotroph uses an energy source & carbon source. What R they?
Chemical & CO2
chemohetrotrophs uses an energy source & carbon source. What R they?
Chemical & organic compounds
What is a way to reduce water avalibility?
By drying food threw adding salt or sugar (desiccation)
Psychrophiles live @ wut temperatures?
-5 to 18 degrees C (coldest file psychos)
Psychrotrophs live @ wut temperatures?
0 - 35 degrees C (current psychos)
Mesophiles live @ wut temperatures?
15 - 45 degrees C (most common)
Thermophils live @ wut temperatures?
40 - 80 degrees C (warmer climates)
Hyperthermophiles live @ wut temperatures?
65 - 115 degrees C (extreme heat)
Neutro-philes like what PH range?
5-8 (Neutral & most common)
Acido-Philes like what PH range?
below Ph 5 (acidic)
Alkalo-philes like what PH range?
Above 8 (more basic)
Obligate Aerobe uses what amount of Cata & SOD? & wut amount of O2 can they handle?
Both Cata & SOD / they require O2
Facilitative Anaerobe uses what amount of Cata & SOD? & wut amount of O2 can they handle?
Cata & SOD / some O2
Obliga Anerobe uses what amount of Cata & SOD? & wut amount of O2 can they handle?
Nither Cata or SOD / Cant handle O2
Microaerophile uses what amount of Cata & SOD? & wut amount of O2 can they handle?
Small amounts of Cata & SOD / Small amount of O2
Aerotolerent uses what amount of Cata & SOD? & wut amount of O2 can they handle?
SOD / tolerates O2