Which molecules diffused into the baggie? how do you know

Which of the following is an example of this type of co-evolution

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?