The hydrogen ions released by the dissociation of carbonic acid are buffered by their
A) binding to hemoglobin.
B) transport into the erythrocyte as sodium ions move out.
C) binding to DNA within the nucleus.
D) transport out of the erythrocyte as a sodium ion moves in.
E) active transport out of the erythrocyte.
Answer: A) binding to hemoglobin.
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Which characteristic possessed by Archaeopteryx was least likely present in their dinosaurian ancestors?
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African bees were imported to __________ in the
__________ for pollination purposes. a. America; 1920s b. Argentina; 1930s c. Mexico; 1940s d. Brazil; 1950s e. Honduras; 1970s
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A) manufactures more ATP. B) catalyzes the reaction. C) is broken down and liberates energy. D) enters a metabolic pathway. E) is phosphorylated.