Consider the overall shape of this cell Which geometric solid is the best model for these celle
A. A sphere
B. A cube
C. A right arcular oylinder
O D. A square pyramid

The answer is joseph is observing the colour of the reaction mixture to see whether proteins are present in the given solution.

The answer to this will be from your lab notes/procedure. it would be best to ask another student who participated in the lab as we do not know what was done, what enzyme or if the temperature is celsius or fahrenheit. if i were to guess though i'd say the rate stopped due to enzyme denturing at high temperature