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
There will be four such molecules
There will be eight such molecules
There will be only one such molecule
There will be two such molecules
Which enzyme is responsible for linking the fragments of $DNA$
For proving the semi conservative mode of replication of $DNA$ , $E-coli$, were first grown in the medium containing ?
It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for genetic material. This is written by
Which one of the following is called polynucleotide joining enzyme
Smallest structure having the power of replicating itself is