I think the most suitable answer is carbohydrates as it can be monosaccharide, disaccharide or polysaccharide.
The water repellant properties of waxes is very useful in the leaves of some plants, in the feathers of birds and also in cuticle of insects. Waxes in plant leaves reduce the amount of water that is lost by the leaves. The wax that is present in the birds' feather prevent them from getting wet with water.
The middle turqois-ish color is Nucleus
The one on the bottom right is cell membrane
The one on the bottom left is cell wall
Answer:
It has a pH of 7, so your answer is therefore B.) 7.