12 Questions
What did Oswald T.Avery, Colin M. MacLeod, and Maclyn McCarty demonstrate in their research?
The genetic material carried by DNA during transformation
Who provided evidence supporting the 'one gene, one polypeptide hypothesis'?
Beadle and Edward L.Tatum
Which kingdom do organisms like bacteria belong to?
Monera
What major discovery resulted from new findings in microbiology during the 1970s?
Development of recombinant DNA technology
What distinguishes prokaryotic cells from eukaryotic cells?
Lacking a true nucleus
What is the primary concern of microbiologists according to the text?
Viruses and members of the first three kingdoms
What is the primary purpose of vaccination according to the text?
To inoculate healthy individuals with weakened microorganisms to provide protection from disease
What did Pasteur and Roux discover when incubating cultures of chicken cholera bacteria for longer than normal?
The bacteria became attenuated and could no longer cause disease
What did Pasteur and Chamberland develop in addition to the attenuated anthrax vaccine?
An attenuated rabies vaccine
What important discovery did Sergei Winogradsky make about soil bacteria?
They could oxidize iron, sulfur, and ammonia to obtain energy
What significant contribution did Martinus Beijerinck make to the study of microorganisms?
He isolated aerobic nitrogen-fixing soil bacteria and sulfate-reducing bacteria
What important early discovery is attributed to George W. in the text?
No important early discoveries are attributed to George W. in the text
Explore the history and process of vaccination, including how inoculation with weakened microorganisms provides active immunity. Learn about the work of Pasteur and Roux in developing attenuated vaccines.
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