The component responsible for heredity is .......

Who proved for the first time that $DNA$ is the genetic material?

State the criteria that a molecule must fulfill to act as a genetic material.

Which of the following is incorrect for the Hershey-Chase experiment?

Which of the following was responsible for the transformation of $R$ cells into $S$ cells?

During the course of evolution,why was $DNA$ chosen over $RNA$ as the genetic material? Provide reasons by first discussing the desired criteria for a molecule to act as genetic material and by analyzing the biochemical differences between $DNA$ and $RNA$.