Genetic modification allows for foods to grow larger in a shorter amount of time. This allows growing populations to provide the necessary amount of food. Using modification, you can also reduce the need for pesticides.
I believe the answer is B. Not all chemicals have an antidote that you can use. Most people don't have time to find an antidote. You should pour plenty of water on the area. They have chemical showers in my school labs so that if anyone spills chemicals on them, they can rinse off their body.
Membrane is the answer i think
Cancer. Regular cells have organized division, but the reason cancer is bad is bc it's that bad cells that divide faster than the good ones.