Suppose that the chemist is not find that the PH of the pond has changed significantly since the time when large numbers of the fish were found in the pond. After further research, the biologist discovers that the same fish species has been dying in large numbers and other bodies of water because of an infestation of microscopic, parasitic post protist. What type of expert should the biologist seek, and why?

currents is the correct answer.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

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.