A woman develops liver inflammation, a high fever, and a severe decline in red blood cell numbers. Her blood is filled with a parasitic, single-celled organism
When asked about any recent travel, she tells the nurse about her trip to a tropical rain forest. It was a great trip except for the huge number of mosquitoes that bit her. She is probably infected with
A) Trichomonas. B) Trypanosoma. C) Euglena. D) Giardia. E) Plasmodium.
E
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Mutations resulting from exposure to physical or chemical agents are called ________ mutations.
Fill in the blank(s) with the appropriate word(s).
______ is the observable response of organisms to external or internal stimuli.
A. Ecology B. Behavioral ecology C. Behavior D. Pheromonal mediation E. Allomonal mediation
Twelve PGAL molecules form when six CO2 are attached to six RuBP molecules. Two of these PGAL molecules are needed to form a 6-carbon sugar. What is the fate of the ten remaining PGAL molecules?
a. They are degraded. b. They are converted back to carbon dioxide. c. They are stored as extra PGAL molecules. d. They are used during photorespiration. e. They are converted to RuBP molecules.
If we assume that carbon is the sole nutrient needed by sea slugs to drive their cellular respiration, then based on the graph, during which season(s) is it LEAST necessary for P. ianthina to act as a chemoheterotroph?
A) winter B) spring C) summer D) fall