A chemical compound made up of ions by forces that create ionic bonding. It is a neutral compound.
The process in which a gaseous substance is converted into a condensed, more usable chemical substance is called fixation
the double helix is hydrogen bonded through the bases only so the bases are inside the helix only
as adenine combines with thymine and guanine with cytosine
phosphate are in the exterior of it
sugar groups constitute the double helix.