Astudent placed a test tube containing a mixture of compounds into a beaker of water maintained at 30 c. a chemical reaction took place and was completed in 30 minutes. a second test tube containing an equal amount of the same mixture plus substance y was placed in the same beaker of water. the chemical reaction in the second test tube was completed in less than one minute. what is the most likely identity of substance y?
a
a carbohydrate
b
an enzyme
c
an inhibitor
d
a nucleotide