BISC 261 Exam Questions and answers with complete solutions Latest Updated 2025 |
Verified
What is a chemostat? - ✔️✔️a device that continuously adds fresh medium, while the culture liquid
containing nutrients is removed at the same time, keeping the culture volume constant
What is a fermenter? - ✔️✔️A sterilized and enclosed vessel that is used for growth of microorganism under
optimal conditions (typically for large quantities to microorganims)
Oligotrophic means - ✔️✔️low nutrients
Eutrophic means - ✔️✔️high nutrients
Bacteria typically reproduce by a process called: - ✔️✔️binary fission
Although most bacteria reproduce by binary fission, there are 3 other ways bacteria can divide. What
are they? - ✔️✔️bud, form spores, and multiple fission
What are the 3 major phases of the bacterial cell cycle? - ✔️✔️1. Growth and Initiation
2. Chromosome replication and partitioning
3. Septum formation and cell division
In binary fission, 1 bacteria becomes 2, 2 becomes 4, and 4 becomes . - ✔️✔️8
In the bacterial cell cycle, generational time is - ✔️✔️the time required to double the population
In the bacterial cell cycle, what does Par A do? - ✔️✔️drives the daughter chromosome to the oppositepole of
the cell
Par A is powered by , meaning it costs . - ✔️✔️GTP hydrolysis, energy
Verified
What is a chemostat? - ✔️✔️a device that continuously adds fresh medium, while the culture liquid
containing nutrients is removed at the same time, keeping the culture volume constant
What is a fermenter? - ✔️✔️A sterilized and enclosed vessel that is used for growth of microorganism under
optimal conditions (typically for large quantities to microorganims)
Oligotrophic means - ✔️✔️low nutrients
Eutrophic means - ✔️✔️high nutrients
Bacteria typically reproduce by a process called: - ✔️✔️binary fission
Although most bacteria reproduce by binary fission, there are 3 other ways bacteria can divide. What
are they? - ✔️✔️bud, form spores, and multiple fission
What are the 3 major phases of the bacterial cell cycle? - ✔️✔️1. Growth and Initiation
2. Chromosome replication and partitioning
3. Septum formation and cell division
In binary fission, 1 bacteria becomes 2, 2 becomes 4, and 4 becomes . - ✔️✔️8
In the bacterial cell cycle, generational time is - ✔️✔️the time required to double the population
In the bacterial cell cycle, what does Par A do? - ✔️✔️drives the daughter chromosome to the oppositepole of
the cell
Par A is powered by , meaning it costs . - ✔️✔️GTP hydrolysis, energy
