Figure 18.1

-In Figure 18.1,items c and e are different from each other.How are they different?

A)Item c is the enzyme that modifies item e,the substrate.
B)Item e is the enzyme that modifies the substrate,item c.
C)Item c is the substrate acted on by the enzyme in the assay,and item e is the colored end product of that enzymatic reaction.
D)Item e is the substrate acted on by the enzyme in the assay,and item c is the colored end product of that enzymatic reaction.