16 Questions
Which term refers to a microbial culture descended from a single cell originally isolated from the environment?
Strain
What is the ultimate outcome of metabolic activity in microorganisms?
Reproduction
What does microbial growth specifically refer to?
An increase in population size
Which method refers to implanting microbes into or upon culture media?
Inoculation
What is the term for the time it takes for a cell to divide into two new cells through binary fission?
Generation time
In the context of bacterial growth, what does the term 'generation' refer to?
Growth by binary fission
What is the term for growth that results in an increase in the number of cells, not an increase in size?
Hyperplasia
Which process involves growth by binary fission?
Budding
In microbial growth, what is the term for the time it takes for a population to double in number?
Doubling time
Which of the following is NOT a necessary element contained in most common nutrients for microbial growth?
Calcium
What is the term used for organisms that obtain energy from light nourishment?
Phototrophs
Which environmental factor can significantly influence the growth of microbes?
Salinity
What term is used to describe an aggregation of cells arising from a single parent cell as a result of reproduction?
Colony
What type of reproduction results in an increase in the number of cells during microbial growth?
Asexual reproduction
What is the term for microorganisms that obtain energy from chemical compounds?
Chemotrophs
What term is used for organisms that use a variety of nutrients for their energy needs and to build organic molecules and cellular structures?
Heterotrophs
Test your knowledge of microbial growth, culture techniques, and strain characteristics with this quiz. Explore concepts related to populations, colonies, aseptic techniques, and microbial growth presentations.
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