What do biotechnologists use to cut dna molecules at specific sequences? transformation restriction endonuclease dna ligase dna polymerase

Does masterbation affect height growth or loss of growth hormone?

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

The transport tubes from food came down the plant are called?