An example of a carbohydrate is
A. C7H14O7.
B. C7H12O7.
C. C7H14O28.
D. C7H7O7.
A. C7H14O7.
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Which is true of leukocidins?
A. They are superantigens. B. They kill neutrophils. C. They make holes in host cell membranes. D. They bind to Fc regions of antibodies.
The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?
A. endergonic B. catabolic C. exergonic D. feedback
Being a carrier of the sickle cell trait, although generally not a serious problem, can pose significant risks for athletes, particularly those in intense training regimens
The death of Florida State University linebacker Devaughn Darling, a carrier of the sickle cell trait, in a spring conditioning drill refocused attention on sickle cell abnormalities, including both sickle cell disease and sickle cell trait (carriers). High altitude, aggressive exercise, and high temperatures can all lead to acute rhabdomyolysis in individuals with sickle cell trait. Why do you think an individual who is a carrier of the sickle cell trait may be more likely to experience the symptoms of SCD during rigorous exercise?
Which one of the following is TRUE regarding an ecological pyramid?
A) An ecological pyramid can depict either the total amount of energy stored at each level of an ecosystem or the total biomass at each level. B) The population of producers depends largely on the populations of consumers below it. C) The amount of energy represented by tertiary consumers is greater than the amount of energy represented by primary consumers. D) Animals such as wolves and eagles would be located at the base of the pyramid. E) The amount of energy represented by producers is equivalent to the amount of energy represented by the secondary consumers.