TOP LATEST FIVE AN ELEMENT IS WHAT URBAN NEWS

The development of the bond among C1′ in the pentose sugar and N1 from the pyrimidine base or N9 in the purine base joins the pentose sugar into the nitrogenous base. DNA has a double-helix structure (Figure \(\PageIndex two \)). The sugar and phosphate lie on the skin from the helix, forming the spine in the DNA. The nitrogenous bases are stack