What is Antiparallel in Molecular Biology?

Learn Antiparallel definition in molecular biology with explanation to study “What is Antiparallel”. Study antiparallel explanation with molecular biology terms to review molecular biology course for online degree programs.

Antiparallel Definition

  • Relative polarities of the two strands in a DNA double helix; if one strand goes 5'→3', top to bottom, the other goes 3'→5'..

    Molecular Biology by Robert F. Weaver

Antiparallel Explanation

In biochemistry, two biopolymers (like the two strands in a DNA double helix) are termed as antiparallel, if they run parallel to each other, in opposite alignments (directionality). For example the strands of a DNA double helix, run in opposite directions, parallel to each other, i.e., one strand goes 5'→3', top to bottom, the other goes 3'→5'.

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