Examen
BIOL 215 UPDATED Exam Questions and CORRECT Answers
- Cours
- Établissement
Describe the work of Fred Griffith - studied 2 strains of strep 1) S strain- appeared smooth and was virulent 2) R strain- 'rough' in appearance and avirulent - There are several variants of the strains (IIS,IIIS,IIR,IIIR) - IIS can mutate to IIR, but never to IIIR, IIIS mutated to IIIR but ne...
[Montrer plus]