10 Questions
Binary ______ involves dividing a single cell into two cells.
fission
The ______ phase is the delay that occurs while cells adjust to their new environment.
Lag
______ is a period of rapid exponential growth.
Log
In a ______ batch system, bacteria are grown in a sterile growth medium with a set amount of organic and inorganic nutrients.
Closed
The ______ phase is the period where nutrients are depleted and waste accumulates, and population growth rate levels off.
Stationary
______ fission involves dividing a single cell into two cells.
Binary
______ is a method of asexual reproduction in certain fungi and some bacteria.
Budding
______ are metabolically inactive structures that allow certain cells to enter a dormant state.
Endospores
______ time is the time it takes for a cell to divide.
Generation
______ growth is a rate of growth that increases by a constant proportion.
Exponential
Study Notes
Cell Division and Reproduction
- Binary fission involves dividing a single cell into two cells
- Budding is a method of asexual reproduction in certain fungi and some bacteria
Spores and Dormancy
- Endospores are metabolically inactive structures that allow certain cells to enter a dormant state
- Spores are reproductive cells
Population Growth
- Generation time refers to the time it takes for a cell to divide
- Exponential growth occurs when the rate of growth (reproductions) increases by a constant proportion
Bacterial Growth Curve
- Closed batch system: bacteria are grown in a sterile growth medium with a set amount of organic and inorganic nutrients
- Lag phase: a delay that occurs while cells adjust to their new environment
- Log phase: period of rapid exponential growth
- Stationary phase: nutrients are depleted, waste accumulates; population growth rate levels off
Cell Division and Reproduction
- Binary fission involves dividing a single cell into two cells
- Budding is a method of asexual reproduction in certain fungi and some bacteria
Spores and Dormancy
- Endospores are metabolically inactive structures that allow certain cells to enter a dormant state
- Spores are reproductive cells
Population Growth
- Generation time refers to the time it takes for a cell to divide
- Exponential growth occurs when the rate of growth (reproductions) increases by a constant proportion
Bacterial Growth Curve
- Closed batch system: bacteria are grown in a sterile growth medium with a set amount of organic and inorganic nutrients
- Lag phase: a delay that occurs while cells adjust to their new environment
- Log phase: period of rapid exponential growth
- Stationary phase: nutrients are depleted, waste accumulates; population growth rate levels off
This quiz covers concepts related to cell reproduction, asexual reproduction, and growth in microorganisms. It includes terms like binary fission, budding, endospores, spores, and exponential growth.
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