Explain how you determined the concentration of protein in milk

Explain how you determined the concentration of protein in milk. b) What is the purpose of a blank? c) What data is graphed in a standard curve? d) You determine the equation of the line to be y=2.56x-0.07 (you graphed the mg/ml on the y axis). Your unknown sample has an OD of 1.135. What is the concentration of the sample?