1.  If venom A is two times as potent as venom B and venom C is2.4times as potent as venom B. How much more potent is venom C compared to venom A?

 2.  If three out of every seven individuals in a population of armadillos carry a gene for a defective enzyme, how many individuals carry the normal gene in a population of891armadillos?


3.  If the ratio of saturated to unsaturated fatty acids in a cell membrane is9to1, and there are a total of85billion fatty acid molecules, how many of them are saturated?

 4.  In a population of769,002cells some are undergoing division and some are not. Assume that while some of the cells are dividing, no other cells will begin to divide to until the group that is dividing is finished. Let's say the ratio of dividing to not dividing cells is8to5. What will the cell population be after the cells that are dividing have completed the division process?


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 6.  If there is a one in seven chance of getting a red flower when crossing a red flowered plant with a white flowered plant, how many white flowered plants would be expected in a population of760offspring from such a cross?

