$DNA$ polymerase links nucleotide by forming which type of bond:
Nucleic acids exhibit secondary structure. Describe through Watson-Crick model.
Distinguish between heterochromatin and euchromatin. Which of the two is transcription-ally active ?
Which one of the following pair is a purine pair?
In a typical nucleosome if Adenine are $10$ then how many Guanine are present ?