What is Jacobson’s organ?
a. the brain lobe responsible for interpreting taste
b. the nasal organ that creates odor-trapping mucus
c. the olfactory organ that detects pheromones
d. the cluster of papillae at the back of the tongue
c. the olfactory organ that detects pheromones
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The Pimas are a group of people living in the southwestern United States and Mexico
Although Pima Indians living in the United States and Mexico have a similar genetic background, a five-fold increase in the incidence of type II diabetes mellitus among U.S. Pima has been reported. The body mass index of Mexicans of non-Pima descent, Mexicans of Pima descent, and Pimas living in the United States is shown in the figure above. Based on this information and the graph above, what can you infer about the incidence of type II diabetes mellitus? A) Obesity is a risk factor for development of type II diabetes mellitus. B) If you maintain a normal body weight (body mass index less than 25), you will not get type II diabetes mellitus. C) The incidence of type II diabetes mellitus has increased in the past ten years. D) People who develop type II diabetes mellitus are typically diagnosed in childhood or adolescence.
Various cells in the body respond to the hormone epinephrine in various ways due to ________.
A. cellular respiration B. metabolism C. phosphodiesterase D. protein kinases E. differential gene regulation
The process that converts nitrate into nitrogen gas is known as ____
a. denitrification b. nitrification c. nitrogen fixation d. assimilation e. assimilation and nitrification
For many decades scientist thought that proteins were the genetic material
a. true b. false