Eutrophication can be caused by excess accumulation of in a body of water.
A. phosphorus
B. nitrogen or phosphorous
C. carbon
D. nitrogen or carbon
E. nitrogen
B. nitrogen or phosphorous
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Which of the following is not a mechanism whereby proto-oncogenes are converted to oncogenes?
A) point mutation B) gene amplification C) translocation D) deletion E) silent mutation
Many chemotherapy drugs act by arresting the cell in m phase of the cell cycle.
a. true b. false
Small Aristelliger lizards have difficulty defending territories, but large lizards are more likely to be preyed upon by owls. Which kind of selection acts on the adult body size of these lizards?
A. Stabilizing selection B. Directional selection C. Disruptive selection
Prozac, and drugs like it, promote the reabsorption of serotonin by the presynaptic cell.
Answer the following statement true (T) or false (F)