Not All Of Them Essential 20 Amino Acids Chemistry Round Clock

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The chemical structure of twenty amino acids are featured on this chemistry attitude clock along with the caption "Not All Of Them Are Essential". Showcase the amino acids -- all twenty which are directly encoded by the universal genetic code -- the next time you tell time with this educational molecular structure clock. No need to be a chemist or a biochemist to know that not all of them are essential! myBiochemistry