Tobacco mosaic virus can be transmitted between individual plants by biting insects.
Answer the following statement true (T) or false (F)
True
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All of the following are fat-soluble vitamins found in meat EXCEPT
A) D B) B C) K D) A
Which would be more likely to cause illness-a water sample that tested positive for coliforms or one that tested positive for E. coli O157:H7?
A. Both would be equally capable of causing illness-all coliforms cause illness. B. The coliform positive sample would be more likely to cause illness. Coliforms are inherently more pathogenic than the weak O157:H7 lab strain of E. coli. C. The E. coli O157:H7 sample would be more likely to cause illness. This strain of bacterium is highly pathogenic and capable of causing kidney damage. D. Neither-there is usually a small amount of coliforms (including E. coli O157:H7) in all water.
Suppose that a mistake made during DNA replication in a cell is not corrected, but instead the
mutation remains in the single strand where it occurred. Then suppose that after the cell divides both daughter cells survive, and those cells then go on to have DNA replication and ultimately cell division. There are now four cells where there once was one cell. Assuming that the mistake was never corrected and that no new uncorrected mistakes occurred, how many of the four cells will have the mutation in their DNA?
a. none b. one c. two d. three e. four
Which of the following targets is not regulated by the autonomic nervous system?
A. Cardiac muscles B. Glands of the body C. Smooth muscles D. Skeletal muscles E. None of these