What is biology?

Yes now biology.
It is a study of life form and reaction and result.
All the way down it says hint to answer of biology is DNA coding and color.
So what is biology?
Biology is a study of reaction of chemicals to human bodies.
Smoking? Cancer? Lungs? Too late?
Learn chemistry as much as you can.
How to cure cancer?
How to cure AIDS?
How to cure parkins?
If you know biology as much as you do?
Time to learn chemistry.
Coincidence is God's way of staying anonymous.
If you see coincidences of chemistry and biology? Good. Good. Good.
If not? I guess you have to learn both more.