BISC 261 Exam (Wells) Test with
Questions Solved with 100% Correct
Answers
What is a chemostat? - Answer 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? - Answer A sterilized and enclosed vessel that is used for growth
of microorganism under optimal conditions (typically for large quantities to
microorganims)
Oligotrophic means - Answer low nutrients
Eutrophic means - Answer high nutrients
, Bacteria typically reproduce by a process called: - Answer binary fission
Although most bacteria reproduce by binary fission, there are 3 other ways bacteria can
divide. What are they? - Answer bud, form spores, and multiple fission
What are the 3 major phases of the bacterial cell cycle? - Answer 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 ______. - Answer 8
In the bacterial cell cycle, generational time is - Answer the time required to double
the population
In the bacterial cell cycle, what does Par A do? - Answer drives the daughter
chromosome to the opposite pole of the cell
Par A is powered by __________, meaning it costs ________. - Answer GTP hydrolysis,
energy
In the bacterial cell cycle, chromosome partitioning happens _____________with
genome replication. - Answer simultaneously
In the bacterial cell cycle, MiniCDE does what? - Answer initiate the septum formation
In the bacterial cell cycle, FtsZ does what? - Answer forms the Z-ring,
Questions Solved with 100% Correct
Answers
What is a chemostat? - Answer 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? - Answer A sterilized and enclosed vessel that is used for growth
of microorganism under optimal conditions (typically for large quantities to
microorganims)
Oligotrophic means - Answer low nutrients
Eutrophic means - Answer high nutrients
, Bacteria typically reproduce by a process called: - Answer binary fission
Although most bacteria reproduce by binary fission, there are 3 other ways bacteria can
divide. What are they? - Answer bud, form spores, and multiple fission
What are the 3 major phases of the bacterial cell cycle? - Answer 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 ______. - Answer 8
In the bacterial cell cycle, generational time is - Answer the time required to double
the population
In the bacterial cell cycle, what does Par A do? - Answer drives the daughter
chromosome to the opposite pole of the cell
Par A is powered by __________, meaning it costs ________. - Answer GTP hydrolysis,
energy
In the bacterial cell cycle, chromosome partitioning happens _____________with
genome replication. - Answer simultaneously
In the bacterial cell cycle, MiniCDE does what? - Answer initiate the septum formation
In the bacterial cell cycle, FtsZ does what? - Answer forms the Z-ring,
