DNA molecules are polymers of simpler units. Answer the following question about one of the important properties of these polynucleotide polymers.

One of the important properties of the DNA macromolecule is its secondary structure.

In this question you must investigate the forces holding the DNA molecule in shape.

DNA macromolecules have weight and volume.

In this question how are these properties of the DNA molecule use to investigate it's function?.

The environment has a strong influence on the stability of DNA molecules.

In this question how does the environment influence the secondary structure of DNA?.