How do furrows form in an animal cell? What is the furrow's role in cell division

Four types of motile cells in human body?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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