Linked from
The 12 pages that link to Guanine, each with the reason it gives.
Uric acidRelated: Its degradation feeds into pathways that end in uric acid.
AdenineRelated: It is adenine’s fellow purine in the standard DNA and RNA bases.
GuanosineRelated: Guanine is the nitrogenous base attached to ribose in guanosine.
CytosineRelated: Guanine forms cytosine’s standard complementary base pair.
XanthineRelated: Guanine breakdown provides another route to xanthine.