What name did Friedrich Miescher give to the substance he identified as $DNA$?

The result of which of the following reaction experiments carried out by Avery et al. on $Streptococcus \text{ } pneumoniae$ has proved conclusively that $DNA$ is the genetic material?

How was it proved that $DNA$ is the genetic material?

Who proved that $DNA$ is the genetic material?

Choose the correct option for the conclusion of the Hershey-Chase experiment.

During infection of $E. coli$ cells by bacteriophage $T2$,