PubReading [3] DNA Structure: A-, B- and Z-DNA Helix Families - David W Ussery - Encyclopedia Of Life Science

<p>There are three major families of <strong>DNA helices</strong>: A-DNA, B-DNA and Z-DNA. The helical</p><p><strong>structure of DNA</strong> is variable and depends on the sequence as well as the environment. <em>David W Ussery</em></p>