How to find tha answer of the DNA sequence

Glucose is a form of sugar found in the blood cells use glucose as a source of energy, but too much or too little can cause serious health issues so, the body uses the hormone insulin to regulate glucose n the blood insulin maintain glucose levels in the blood if blood glucose lovels got very high, what would you expect to see happen to insulin levels?

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

About __ of the mass of the cell is water