Biochemistry General 9afc28e6 Concentration of DNA is measured by- A Absorption at 260 nm B D-oxyribose estimation C Infrared examination D Ultrasound examination High-Yield Explanation Concentration (and quality) of nucleotides and nucleic acid (DNA/RNA) is measured in terms of "absorbance at 260 nm" with a Ultraviolet (UV) spectrophotometer.