What is the definition of the word enzyme

What is a traditional chinese touch therapy involving finger pressure applied to specific areas of the body to restore the flow of qi.

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

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary