Who developed $DNA$ finger printing method ?
Jacob and Monad
Alac jefrey
Griffith
Watson and Crick
Match the following genes of the Lac operon with their respective products.
$(a)\; i$ gene | $(i)\; \beta-$galactosidase |
$(b)\; z$ gene | $(ii)$ Permease |
$(c)\; a$ gene | $(iii)$ Repressor |
$(d)\; y$ gene | $(iv)$ Transacetylase |
Select the correct option.
$(a)\quad (b)\quad (c)\quad (d)$
In protein synthesis, which of the following are required for the synthesis of charged $tRNA$?
Clover leaf model of $tRNA$ has
Satellite $DNA$
In tertiary structure of $DNA$, what is a histone octamer?
A complex consisting of eight positively charged histone proteins (two of each $H2A, H2B, H3 and H4$) that aid in the packaging of $DNA.$