12 Questions
What did Frederick Griffith's 1928 experiment identify?
The transforming principle
What happened in the fourth experiment of Griffith's study?
The harmless R cells had been transformed by material from the dead S cells
Which substances were essential for the transformation observed in Griffith's experiment?
Protein, RNA, and DNA
Who led the team that showed DNA as the unit of inheritance?
Oswald Avery
What did Oswald Avery's work inspire Watson and Crick to do?
Seek the structure of DNA
What did Oswald Avery discover about the transforming material in bacteria?
Cell extracts treated with DNA-digesting enzymes lost their transforming ability
What was the significance of Oswald Avery's discovery according to a Nobel laureate?
The historical platform of modern DNA research
What was the conclusion drawn by Oswald Avery from his experiments?
DNA, not protein, transforms bacteria
What did Friedrich Miescher isolate from the nucleus in 1870?
Proteins and nucleic acids
What was the prevailing belief regarding the chemicals involved in inheritance when Miescher was studying nucleic acids?
Proteins were more likely to be the chemicals involved in inheritance
What did Frederick Griffith discover about the bacteria Diplococcus pneumoniae?
S bacteria causes pneumonia while R bacteria does not
What was the great mystery that scientists were trying to solve regarding genes and genetic material?
Where and how genetic information is stored
Test your knowledge about Frederick Griffith's groundbreaking experiment in 1928, which identified the 'transforming principle' in genetic material using bacterial colonies and different strains. Explore the concepts of virulent and nonvirulent strains and the transformation phenomenon observed in the experiment.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
