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George Wells Beadle: Quiz

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Question 1: ________ / Renato Dulbecco / Howard Temin (1975)
Arthur KornbergMarshall Warren NirenbergJames D. WatsonDavid Baltimore

Question 2: He soon switched his focus to genetics and cytology, pursuing research on maize (corn) genetics under Rollins Adams Emerson—including some collaboration with ________.
Edward B. LewisEric KandelRoger Wolcott SperryBarbara McClintock

Question 3: For post-doctoral work, Beadle joined Thomas Hunt Morgan's "fly lab" at the California Institute of Technology, where he worked with ________ and others on Drosophila genetics.
Joshua LederbergJames D. WatsonAlfred SturtevantG. Ledyard Stebbins

Question 4: Over the course of his Drosophila work, Beadle was a professor at ________, then Stanford University.
Brown UniversityRutgers UniversityHarvard CrimsonHarvard University

Question 5: By constructing mutant strains that required specific nutritional elements (________ or vitamins), they established that individual gene mutations were responsible for individual steps in the metabolism and synthesis of vital nutrients.
Amino acidL-DOPAAmino acid synthesisCystathionine beta synthase

Question 6: In 1946, with the support of ________, Beadle was recruited to head the newly reorganized biology division of Caltech; the department was one of the prototypes in the field that would become known as molecular biology.
Roger AdamsMelvin CalvinLinus PaulingGlenn T. Seaborg

Question 7: With Tatum, Beadle switched his focus to a ________ more suited to biochemical genetics: Neurospora.
Model organismFungusBiologyEvolution

Question 8: This led, in 1941, to propose the "________," the idea that a gene specifies a single enzyme, rather than a complex set of characteristics (as was generally assumed).
One gene-one enzyme hypothesisGriffith's experimentAvery–MacLeod–McCarty experimentMeselson–Stahl experiment

Question 9: Keim, he then entered graduate school in agronomy at ________, intending to study ecology.
Brown UniversityRutgers UniversityColumbia UniversityCornell University

Question 10: Beadle and Tatum's key experiments involved exposing the bread ________ Neurospora crassa to x-rays, causing mutations.
YeastFungusCell wallMold







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