Griffith's Experiment and Transformation

What was the primary focus of Frederick Griffith's initial studies?

• The effects of viruses on humans

• How bacteria cause illness

• The structure of DNA

• The development of vaccines

What was the outcome when Griffith injected mice with heat-killed virulent bacteria?

• The mice showed no reaction

• The mice remained healthy

• The mice developed immunity

• The mice became ill

What significant result did Griffith observe when he mixed heat-killed virulent bacteria with live non-virulent bacteria?

• The bacteria became non-virulent

• The mice died

• The mice developed a mild illness

• The mice remained healthy

What term did Griffith use to describe the process he discovered in his experiment?

• Transcription

• Replication

• Transformation

• Mutation

What was Griffith unaware of during his experiments that later became a key concept in genetics?

• The existence of viruses

• The role of proteins in cells

• The process of cell division

• The presence of DNA in cells