10mg/1ml pure herring sperm diluted with 10ml sterile distilled water to C1 of 1000µg/ml. C1 Concentration of stock (1000µg/ml) V1 Volume of stock needed (µl) C2 Final Concentration (µg/ml) O 100 80 75 70 60 50 30 25 5 V2 Final volume (2,000μl) 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 1,000 Volume of H₂0 required (μl) Use water as a diluent and blank Mix each standard by inversion and measure the absorbance at 260nm (A260) with a UV - compatible cuvette. Graph your standard curve. On the graph include coefficient of regression (R²) and line graph equation (Y = mx + C).