Stain Alive
Cell membranes carry this net charge
What is negative
Temperature at which a species experiences maximum cell division
What is optimum growth temperature
Aerotolerance class that does not grow in presence of oxygen
What are obligate anaerobes
This range of antibiotics would be prescribed if the pathogen has not yet been identified
What is broad-range
This agar is used to test for caseinase
What is skim milk agar
These are the four reagents used in Gram staining, in order
What is crystal violet, iodine, ethanol, and safranin
Term used for species which grow best at pH 5.5 or less
What is acidophile
When the concentration of solutes is the same both outside, and inside the cell
What is isotonic
This type of antimicrobial can be applied to living tissue
What is antiseptic
Sheep's blood agar, with an unknown mixture of biological molecules, is an example of this type of media
What is complex/undefined
Endospores are compact fortresses, protecting this most valuable asset
What is DNA
Temperature class of bacteria which can be found in volcanic vents
What is hyperthermophile
Term used to describe species which withstand high sugar conditions
What is osmotolerant
What is sensitivity
This method of sterilization is best for heat-sensitive liquids
What is filtration
Acid-fast cell membranes are composed primarily of this molecule
What are mycolic acids
Span of temperatures which allow a species to perform cell division
What is growth range
An obligate aerobe prefer an environment with _____ oxidation/reduction potential (high or low)
What is high ORP
Optimum wavelength at which DNA absorbs UV light
What is 260-265nm
These are three molecules required for all life on Earth
These are the three reagents used in acid-fast staining, in order
What is carbolfuchsin, acid alcohol, and methylene blue
Most bacterial species fall within this pH tolerance group
When the concentration of solutes is higher inside the cell, than outside, causing cells to swell
What is hypotonic
This term is used to describe disinfectants which halt bacterial cell division
What is microbiostatic
These are the three key variables which make an autoclave an efficient tool for sterilization
What are pressure, steam (or water), and temperature