Can someone me one this one question. its my last questions and ive asked for on here like 5 times.

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

Where can a dna be found in a prokaryotic cell

What is the role of dna ligase in the elongation of the lagging strand during dna replication?