Identify the basic amino acid from the following.
Valine
Tyrosine
Glutamic Acid
Lysine
Distinguish between heterochromatin and euchromatin. Which of the two is transcription-ally active ?
Which one of the following is not applicableto $RNA$ ?
..............is common for both $DNA$ and $RNA$ but.............is present only in $DNA$
Definitions/Explanation : Nucleoside & Histones
Which of the following is correct for Watson and Crick's model of $DNA$. It is duplex with