This is the main function of the cytoplasmic membrane in both prokaryotes and eukaryotes.
What is to regulate the molecules that leave and enter the cell?
100
This is the name of the macromolecule found in all bacterial cells and is composed of NAM and NAG subunits.
What is peptidoglycan?
100
Prokaryotes reproduce by this.
What is binary fission?
100
This is the optimal pH for most bacteria.
What is 7?
100
This is a polymer encased community of microorganisms that may protect organisms against harmful chemicals and enhance bioremediation efforts?
What is biofilm?
200
These are the differences between electron microscopes and light microscopes.
What are (1) electrons instead of light (2) higher resolution (3) higher magnification and (4) using electromagnets instead of glass lenses?
200
This is the color a gram positive bacteria stains after the Gram stain.
What is purple?
200
This is the part of the growth curve where the number of viable cells declines?
What is death phase?
200
Organisms that require gaseous oxygen for metabolism are called this
What are obligate aerobes?
200
This is a dormant cell type.
What is an endospore?
300
This is the name of the solution that when a cell is placed into it, the cell would respond by swelling and potentially bursting.
What is hypotonic?
300
Pencillin interferes with this.
What is peptidoglycan synthesis?
300
These organisms use CO2 (inorganic carbon) as their source of carbon.
What are autotrophs?
300
Organisms that require temperatures that are close to body temperature (37C) are called this.
What are mesophiles?
300
This is the phase when bacteria are most susceptible to antibiotics.
What is log phase (or exponential phase)?
400
This means "rod" shaped
What is bacillus?
400
What do we call the space in Gram negative cells between the inner and outer membrane?
What is periplasm?
400
A culture that results when all bacterial cells come from a single organism are said to be this.
What is a pure culture?
400
This is a type of culture media that inhibits the growth of organisms other than the one begin sought.
What is selective medium?
400
If we start with 10 cells, how many total cells will we have after 4 generations?
What is 160 cells?
500
This is the ingestion of particles that may be performed by animal cells ONLY.
What is phagocytosis?
500
These are the steps (in order) of the Gram stain
What is (1) methylene blue (2) iodine (3) alcohol (4) safrinin?
500
This is the most common method to isolate bacteria in growth media.
What is streak-plate method?
500
MacConkey agar is this type of media.
What is selective AND differential?
500
If a cell has a need for a molecule that is already in higher concentration inside the cell, it must use this process to move the molecule into the cell
What is active transport (opposite direction of diffusion)?