Answer the following question in your own word.
Describe the structure of the DNA molecule.
DNA is a very large single molecule also called as macromolecule. It has a double helix structure, similar to a ladder, which is twisted at both ends. The DNA molecule is made up of basic materials called nucleotides and each nucleotide is made up of three components :
- Phosphate groups
Sugar and phosphate are arranged lengthwise.
- Nitrogen bases are attached sugar from inwards that extends to join hydrogen bond and the complimentary nitrogenous base from other strand.