A student wants to compare the effect of 3 different brands of antiseptic solution on bacterial growth. The brands were labelled A, B and C. The student was supplied with agar plates on which bacteria were already growing. Outline a plan the student could use to investigate the relative effect of the three antiseptics. Your plan should include the apparatus used and consider safety. 6 Marks

b is dominant over the allele for the white fur.

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.