Q. A eukaryotic gene has “sticky ends” produced by the restriction endonuclease EcoRI. The gene is additional to a mixture containing EcoRI and bacterial plasmid that carries two genes conferring resistance to ampicillin and tetracycline. The plasmid has one recognition site for EcoRI located in the tetracycline resistance gene. This […]

Q. Two genes organize in corn snakes as follows: O-B is brown snakes, O-bb are orange, oo bb are albino. An orange snake was mated to a black snake, and a large number of F1 progeny were obtained, all of which were brown. When the F1 snakes were mated to […]

Task 1: Understand the basic structure and function of the cell A Biologist is examining the epiuthelial cells of the intestine under the microscope. a. Describe at least six organelles that he is likely to see in the cells and explain their functions. b. As part of your practical class […]

Answer each of the following questions in 150 to 200 words. PLEASE use the guides highligthed for the explanation  Select a fossil fuel. How is this fossil fuel used? What are the adverse effects on the environment?  Pretroleum for electric energy Select a local or regional alternative energy resource. How […]