Colon cancer is the second most common type of cancer in the United States, second only to
1.lung cancer.
2.breast cancer.
3.skin cancer.
4.prostate cancer.
5.uterine cancer.
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That carton of milk has been sitting in the refrigerator for several weeks, and everyone in your house has been complaining about it–it is full of bacteria! Predict what will happen to those bacteria as time goes on
What will be an ideal response?
If the neuron is stimulated such that its membrane potential changes to 50 mV, what is the sign of the driving force for Cl- ions and in which direction will these ions move across the membrane?
a. Positive driving force; Cl- moves into the cell b. Positive driving force; Cl- moves out of the cell c. Negative driving force; Cl- moves into the cell d. Negative driving force; Cl- moves out of the cell.
Which of the following statements concerning the microbial loop is not true?
A. Microbes consume dissolved organic matter. B. Microbes constitute particulate organic matter for zooplankton consumption. C. Marine viruses contribute to the production of dissolved organic matter. D. All of the choices are correct.
Which of the following statements concerning the characteristics of life is FALSE?
A. reproduction is defined as an increase in the size of an organism. B. viruses have some, but not all, of the characteristics of living things. C. organisms may not exhibit all of the characteristics of life at all times. D. reproduction can occur asexually or sexually in living things. E. living things store metabolic energy in the form of chemicals such as ATP.