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Most bacteria grow best at pH
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
During which growth phase will gram-positive bacteria be most susceptible to penicillin?
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
Nitrogen-fixing bacteria, such as cyanobacteria, can use atmospheric nitrogen (N2) for their nitrogen source.
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
Salts and sugars work to preserve foods by creating a
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
The source of nutrient(s) in nutrient agar is
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
Which group of microorganisms is most likely to spoil a freshwater trout preserved with salt?
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
An isolated colony on a streak plate contains millions (or even billions) of identical cells all arising from one initial cell.
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
Which of the following is the best definition of generation time?
peptone and beef extract.
hypertonic environment.
log phase
True
7
facultative halophiles
True
the length of time needed for a cell to divide
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