Answer:
Phospholipids form the basic structure of a cell membrane, called the lipid bilayer. Scattered in the lipid bilayer are cholesterol molecules, which help to keep the membrane fluid consistent. Membrane proteins are important for transporting substances across the cell membrane
He was a close friend to Charles Darwin so he helped him out in creating the theory of evolution so I would say C: He developed the idea of inheritance of acquired characteristics.
Nitrogen is special because it is necessary for growth and reproduction. It's needed for plants and animals to survive. The main function for the atmosphere i believe is to give oxygen and nitrogen.
4. Peas gave characteristics that have two forms
