A+T
& G+C pairs have similar structures
The combination of a two-ring
purine
(A or G) and a single-ring pyrimidine (T or C) forms a base bair (A+T or G+C ) with three
co-planar
rings.
The A+T pair has two
H-bonds versus the
G+C pair with thre
.
All
text material © 2011 by Steven
M.
Carr