]The better representation of a DNA molecule will be the one with grooves in staircase.
The DNA ( deoxy ribonucleic acid) can be described as the molecule inside cells that contains the genetic information responsible for the development and function of an organism.
DNA molecules allows information to be passed from one gene to another through the process of hereditary.
The DNA of most organisms are found inside the nucleus of a cell, where it forms the chromosomes.
The structure of the DNA has been found to be two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
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