Name of enzyme you will use, and source (organism)

The substrate

How you will measure enzyme activity (method)

What type of treatment you will you; type of solution(s), pH, length of exposure, how you will treat your samples

The control(s) in the experiment

Sample size

Maybe how you plan to present your data (table and/or type of graph)

Anything else you would like to get feedback on before you start your experiment.