Which of the Following Procedures Would Identify the Enzyme That

Multiple Choice

Which of the following procedures would identify the enzyme that catalyzes the carboxylation of ribulose-1,5-bisphosphate?

A) irradiating a leaf extract with red light
B) introducing radiolabeled carbon dioxide into a plant extract and determining which molecules become radiolabeled
C) purifying a variety of proteins from plant extracts and testing each protein individually to see if it can carboxylate ribulose-1,5-bisphosphate
D) differential sedimentation of a protein extract