Question

DNA molecules have two polynucleotides, or “strands,” that spiral around an imaginary axis, forming a ___ ___. The two sugar-phosphate backbones run in opposite 5' and 3' directions from each other; this arrangement is referred to as ___, somewhat like a divided highway.

Accepted Answer

double helixantiparallel

Front	DNA molecules have two polynucleotides, or “strands,” that spiral around an imaginary axis, forming a ___ ___. The two sugar-phosphate backbones run in opposite 5' and 3' directions from each other; this arrangement is referred to as ___, somewhat like a divided highway.
Back	double helix antiparallel

Dna Molecules Polynucleotides Strands Spiral Imaginary Axis Forming