What is the name of the enzyme that creates the mrna copy from dna?

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement

What problem would a person most likely have if her kidney did not work correctly?