Physical Growth Requirements
The state of a cell membrane when temperatures are too low
What is rigid and fragile?
The molecule that is deadly for obligate anaerobes
What is oxygen?
The name for the time required for a bacterial cell to grow and divide
What is generation time?
The name for reducing nitrogen gas to ammonia by certain bacteria
What is nitrogen fixation?
The definition of biofilms
What is aggregations of microorganisms on surfaces?
The definition of psychrophiles
What are organisms that live in really cold temperatures?
Where chemotrophs get their source of energy
What is from chemicals like carbs, proteins, and lipids?
The phase of the growth curve where endospores are formed
What is the death phase?
The name for organic chemicals that can't be synthesized by certain organisms
What is growth factors?
The process by which biofilms form
What is quorum sensing?
The solution where cells have a greater solute concentration outside the cell
What is a hypertonic solution?
The name of the two groups of organisms that are based on a source of carbon
What are autotrophs and heterotrophs?
The label that is given to the y-axis of the growth curve
What is the number of organisms?
The name for elements that are needed for growth but only in small amounts
What are trace elements?
An example of where biofilms form
What are exposed tissue surfaces, environmental surfaces, implanted medical devices, and mucous membranes?
The type of microbe (other than bacterial endospores) that is NOT metabolically active
What are protozoan cysts?
The reasoning behind obligate anaerobes not being able to destroy oxygen radicals
What is lacking enzymes?
The phase of the growth curve where there is a slow doubling time
What is the lag phase?
Examples of trace elements
What is minerals, iron, and magnesium?
The thing that is secreted by microbes during biofilm formation
What is extracellular matrix?
The structures of a cell that pH can affect
What is tertiary structure of proteins and DNA helix?
The reactions facultative anaerobes can carry out (concerning their oxygen requirements)
What is aerobic respiration, anaerobic respiration, and fermentation?
The phase of the growth curve that is best for gram staining
What is the log phase?
The reasoning for sulfur being needed for growth in microbes (what is it used for)
What is the tertiary structure of proteins?
One way scientists are trying to prevent biofilm formation
What is quorum sensing inhibitors or inhibitory chemicals bonded to surfaces?