DNA facts

DNA is made of ____________________ , ____________________ into a ____________________ . They are joined by ____________________ .

4 bases : A = ____________________ T = ____________________ C = ____________________ G = ____________________

____________________ is always opposite ____________________ , ____________________ is always opposite T

Discovered in ____________________ by ____________________ anad ____________________

Used in ____________________

____________________ apart from ____________________ has a ____________________