10 Questions
Who developed the Petri dish in 1887?
Richard Petri
What became the standard tool for obtaining pure cultures?
Petri dish
What did Richard Petri use initially to obtain and grow bacteria in pure culture?
Natural surfaces such as a potato slice
What did Richard Petri later develop to solidify liquid nutrient solutions?
Gelatin
Who isolated the first pure cultures of many soil and aquatic microorganisms?
Martinus Beijerinck
What is the zone called where antibiotic inhibits the growth of bacteria colonies?
Zone of inhibition
What do you call organisms with the main characteristic of requiring salinity?
Halophiles
Name one of the 20th-century laboratory tools that became available for microbiology.
Microbial genetics
What field of science matured in the 20th century to spawn new subdisciplines?
Microbiology
Name one of the subdisciplines that emerged as microbiology matured in the 20th century.
Genomics
Test your knowledge on the DNA activities of microbial cells, metabolism processes, and differentiation in microbial cells. Questions cover topics such as components of plant cell walls and the classification domains of organisms on Earth.
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