In an experiment to study the breakdown of protein, a student uses the enzyme amylase and an indicator. what could be a reason why there is no change in color? a) protein reacts instantly with amylase and this change cannot be detected by the indicator. b) protein does not react with amylase as it cannot fit into the active sites present in amylase. c) the indicator inhibits the reaction between protein and amylase by occupying the active sites of the enzyme. eliminate d) the indicator becomes inactive upon reacting with protein and cannot indicate the formation of the products.