What is the structure of insulin, hemoglobin, immunoglobulin, and casein? simple answer for each with tertiary, quaternary, secondary, and primary

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml

Asap! how do you lengthen a pattern piece? (family and consumer science, sewing)

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?