In 1908, chemist Kikunae Ikeda identified a new taste modality he called "umami", or "delicious" in Japanese. It gives a savory flavor to meat, seaweed, and tomatoes. What molecule is responsible for umami?
A. Na+ ions
B. H+ ions
C. glutamate
D. Mg+2 ions
E. Fe+2 ions
C. glutamate
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In the science fiction film, When Worlds Collide, 100 individuals are selected to leave a doomed Earth in a spaceship to re-establish humanity elsewhere. This scenario illustrates
A) a founder effect. B) a mutation effect. C) a population funnel. D) a deleterious allele.
The P value is dependent on the number of ________, which is equal to the number of independent variables in an experiment
Fill in the blank(s) with correct word
What is the function of antidiuretic hormone?
a. It increases the permeability of the collecting ducts to sodium so more is reabsorbed. b. It causes a high volume of less concentrated urine to be produced. c. It increases aldosterone secretion. d. It decreases renin secretion. e. It increases the permeability of the collecting ducts to water so more is reabsorbed.
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Examine the figure above. What type of pattern did the human population exhibit through most of its history (prior to the 1700s)?
A. zero growth (equilibrium) B. negative growth C. exponential growth D. logistic growth