Out of the four biomolecules we discussed, evaluate why proteins are the best suited to do "all the work" of the cell.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.

i think the answer is a.keratin is the pigment responsible for skin color.