10 6 4 N 200 protein in ug mL 0 50 100 200 400 800 1000 400 600 Absorbance 1 2 5 4 1 5 4 7 2 8 5 8 6 800 1000 1200 a In what range of protein concentration does the assay give useful results 1 b Suppose you have a sample containing an unknown amount of protein and you determined the absorbance of the sample to be 6 2 Based on the standard curve what is the concentration of the protein in the unknown 1 c Suppose you have a sample that gives an absorbance of 9 2 what is the