Which of the following structures functioning holding organelles place, maintain certain shape and ridgoty and directing organelles movement

Biochemistry, it deals with the chemical constitution, the breakdown and the synthesis of plant and animal products.

It's cell theory. easy name i would think.

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