In Streptococcus pneumoniae
In Streptococcus pneumoniae
- A
virulent form is smooth.
- B
virulent form is rough.
- C
nonvirulent form is capsulated.
- D
all forms are rough.
Similar Questions
Write a comparative note the properties of $DNA$ and $RNA.$
Write a comparative note the properties of $DNA$ and $RNA.$
Chemically $DNA$ differs from $RNA$ in having
Chemically $DNA$ differs from $RNA$ in having
Transformation experiments using Pneumococcus bacteria led to the hypothesis that
Transformation experiments using Pneumococcus bacteria led to the hypothesis that
- [AIPMT 1993]
$A :$ DNase can inhibit the process of transformation.
$R :$ Transformation is absorption of $DNA$ segment from the surrounding medium by a living bacterium
$A :$ DNase can inhibit the process of transformation.
$R :$ Transformation is absorption of $DNA$ segment from the surrounding medium by a living bacterium
Give an account of Hershey and Chase experiment. What did it conclusively prove?If both $DNA$ and proteins contained phosphorus and sulphur do you think the result would have been the same ?
Give an account of Hershey and Chase experiment. What did it conclusively prove?If both $DNA$ and proteins contained phosphorus and sulphur do you think the result would have been the same ?