Question

We know that Adenine and thymine bond normally while Cytosine and guanine bond normally:

a. Can you draw the tautomers of Adenine, thi=ymine, guanine and cytosine? One of each

b. How would Adenine bind to guanine if this was the case (tautomer form)?

c. How would Adenine bind to Guanine in its most common form (non-tautomer)?

d. What structural difference makes Adenine "not likely" to bind to guanine most of the time?

Please explain the answers completely and orderly to be rated ! thanks !