Griffith's Experiment
Trending Questions
Q.
Which of the following pathogens cause the disease pneumonia?
Salmonella typhi
S strain of Streptococcus pneumoniae
S and R strains of Streptococcus pneumoniae
Plasmodium vivax
Q. Which of the following components help bacteria to avoid immune recognition?
- Fimbriae
- Glycocalyx
- Flagella
- Endospore
Q. Frederick Griffith accidentally discovered transformation when attempting to
develop a vaccine for pneumonia. He injected mice with samples from S strain
(virulent) and/or R strain (non-virulent) pneumococcal bacteria (Streptococcus
pneumoniae). Which of the following results is NOT consistent with Griffith's
experiments?
develop a vaccine for pneumonia. He injected mice with samples from S strain
(virulent) and/or R strain (non-virulent) pneumococcal bacteria (Streptococcus
pneumoniae). Which of the following results is NOT consistent with Griffith's
experiments?
- Injected S strain: Mouse dies
- Injected R strain: Mouse lives
- Injected heat-killed S strain: Mouse lives
- Injected mixture of heat-killed S strain and live R strain: Mouse lives