Continuous cell lines differ from primary cell lines in that question 12 options: a. viruses can be grown in continuous cell lines. b. continuous cell lines can be maintained through an indefinite number of generations. c. continuous cell lines always have to be reisolated from animal tissues. d. continuous cell lines are derived from primary cell lines. e. continuous cell lines are from human embryos.

Moving down the ramp from 6 meters to

4. multiple crosses were made between true-breeding lines of black and yellow labrador retrievers. all the f1 progeny were black. when these progeny were intercrossed, they produced an f2 consisting of 91 black, 39 yellow and 30 chocolate. a. propose an explanation for the inheritance of coat color in labradors. b. propose a biochemical pathway for coat color determination and indicate how the relevant genes control coat coloration.

Both carbohydrates and fats are used as fuel in cells. true or false