Agreed - 2 rings is given in c1 so it would be shown when c2 is tested. But things could still add up to 2 rings to your point if we have thymine, cytosine, or uracil with a ribose or deoxyribose sugar.
Agreed - 2 rings is given in c1 so it would be shown when c2 is tested. But things could still add up to 2 rings to your point if we have thymine, cytosine, or uracil with a ribose or deoxyribose sugar.