Phosphate groups binds to
C1 & C3
C5 & C3
C5 & C1
C2 & C3
The B-DNA helix has ــــ base pairs (bp) per turn
3
12
10
9
The bonds between two nitrogen bases are
hydrogen bonds
ionic bonds
covalent bonds
phsphodiester bonds
FAD , NAD , CoA are considered a kind of nucleotides :
true
fales