Science / Chemistry / Heterocyclic: An organic group or molecule containing rings with at least one noncarbon atom on the ring.
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Lifestyle / Coffee / Carbony: An aromatic sensation created by a slightly volatile set of heterocyclic compounds found in coffee's aftertaste that produces either sensations similar to a creosol-like substance or a burnt substance MORE
Science / Chemistry / Proline: A naturally occurring amino acid with a heterocyclic ring that is classified as nonessential in the diet. MORE
Science / Chemistry / Nucleotide: A molecule which is a basic building block of nucleic acids and which plays a key role in energy transfer in biochemical reactions. Nucleotides consist of a five-carbon sugar, a heterocyclic nitrogen- MORE
Science / Chemistry / Nucleotide Base: A heterocyclic nitrogen-containing base that is a constituent of nucleotides. Examples are adenine, guanine, thymine, uracil, and cytosine. MORE