Balbiani discovered special type of chromosome from the salivary gland of Chironomus larva which are recognized by the presence of
Bands
Loops
Both bands and loops
All of the above
For the strand separation and stabilisation during $DNA$ replication which of the following set of enzymes and proteins are required?
Haploid content of human $DNA$ contains
The contribution of cytoplasmic $DNA$ in cells to total $DNA$ is
Which of the following bond is not present in $DNA$?
Which one of the following hydrolyses internal phosphodiester, bonds in a polynucletide chain