Not All Of Them Are Essential (20 Amino Acids) Round Clock

Ad: Not All Of Them Are Essential (20 Amino Acids) Round Clock

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

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