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Double helix Notes: Definitions & Explanations PDF | Download eBooks

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Study Double helix lecture notes PDF with biology definitions and explanation to study What is Double helix?. Study double helix explanation with biology terms to review biology course for online degree programs.

Double helix Definition:

  • Double helix is formed when DNA molecules have two polynucleotides, or "strands", that wind around an imaginary axis.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson



Double helix Notes:

The term double helix basically refers to the secondary structure formed by the wounding of two sugar phosphate backbones of DNA around each other is such a way that it looks like a coil. This structure of DNA is a fundamental component in determining its tertiary structure which is important in gene expression.

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