2. Properties of DNA

Figure 11 : Absorbance of pBluescript plasmid between 200 and 350 nm

Figure 11 : Absorbance of pBluescript plasmid between 200 and 350 nm

2.2 DNA absorbs ultraviolet light

DNA, proteins and other molecules absorb UV light. DNA nitrogenous bases are responsible for most UV absorption.

Maximum UV absorbance occurs at a wave length of 260 nm (figure 11)