$DNA$ polymerase enzyme was discovered by:

In which medium did Meselson and Stahl first culture $E. coli$?

The process of $DNA$ duplication is known as:

$A$ discrete multiprotein structure on the chromosome which contains enzymes for $DNA$ duplication is called as

$15 \,N$ labeled $Escherichia \,coli$ is allowed to grow in a $14 \,N$ medium. The two strands of the $DNA$ molecule of the first generation bacteria have:

In which type of $DNA$ replication,out of the two newly formed molecules,one is purely new and the other is entirely old?