Explain the role of scientist :
$1.$ Watson and Crick $(1953)$
$2.$ Erwin chargaff
proposed a very simple but famous Double Helix model for the structure of $DNA$.
Erwin Chargaff that for a double stranded $DNA$ , the ratios between Adenine and Thymine and Guanine and Cytosine are constant and equals one.
Which of the following is a nucleoside?
'Central Dogma' was proposed by
Which of the following is correct for Watson and Crick's model of $DNA$. It is duplex with
Adjacent nucleotides in a polynucleotide chain are joined by
Which one of the following histone is not present in the core particle of nucleosome