This page provides all possible meanings and translations of the word dna, z-form
U.S. National Library of MedicineRate this definition:(0.00 / 0 votes)
A left-handed double helix of DNA. Its name derives from its narrow zigzag structure that is the least twisted and thinnest form of DNA. Z-DNA forming regions within the GENOME may play an important role in GENE EXPRESSION REGULATION.
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