<em>→_→B.. separating strands of D. N. A.</em>
<h2>=============================</h2>
<em>☜☆☞ additional information </em>
<em>D. N. A = dioxyribose neuclic acid </em>
￣へ￣￣へ￣￣へ￣￣へ￣￣へ￣￣へ￣￣へ￣
<em><u>its functions :::</u></em>
<em>1. it helps to form the basic structure of body </em>
<em>1. it helps to form the basic structure of body i,e (cell) .</em>
<em>2. it is responsible for the gene and hereditary changes of human body. </em>
