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#DNA Sequence #genetic code #double helix strand #molecular chain #gene string #nucleotide sequence

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#carbon #nanotube #strong material #material science #composite material #buckytube #molecular chain

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#acene #linear fusion #pah #polycyclic aromatic hydrocarbon #benzene #organic chemistry #chemical structure #molecular chain

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#polymer chain #molecular chain #chemical bond #long molecule #macromolecules

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#amino acid chain #short chain #polypeptide fragment #oligopeptide #molecular chain #building blocks

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#twisted chain #intertwined strands #helix structure #molecular chain #biopolymer

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#chain biology #DNA Sequence #genetic chain #molecular chain #gene linkage #dna link