At the end of $DNA$ replication $DNA$ molecule having
One strand of parental $DNA$ and second is newly formed.
Both strands are newly synthesized.
Two strands are of parental $DNA$.
Both strands are different from parental $DNA$.
$DNA$ replication is semi-conservative as
Leading strand during $DNA$ replication is formed
Ten E.coli cells with ${ }^{15} N$ - dsDNA are incubated in medium containing ${ }^{14} N$ nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from $15\,N$ ?
Which of the following statement is correct about $DNA$ polymerase?
A $DNA$ molecule in which both strands have radioactive thymidine is allowed to duplicate in an environment containing non-radioactive thymidine. What will be the correct number of $DNA$ molecules that contain some radioactive thymidine after three duplications