Question

Describe the frederich griffith on streptococcus pneumonie. Discuss the conclusion he arrived

Answer 1

$\huge{\boxed{\mathtt{\red{ANSWER}}}}$

Frederick Griffith performed experiments on Streptococcus pneumonia which is responsible for causing pneumonia and mice.

He observed that the bacteria produce two colonies:

R strain: or rough colonies which are non-virulent.

S strain: or smooth colonies which are virulent and caused death of mice.

He observed that S cells are virulent due to production of a smooth polysaccharide coat which is absent in R- cells. He performed the following experiment:

Answer 2

Explanation:

Refer the above attachment.........