The reaction in which water and carbon dioxide combine to form carbonic acid is
A. a catabolic reaction in which the formation of a larger molecule can lead to an increase in cell size.
B. an exchange reaction in which protons are transferred between atoms.
C. exergonic, and is an important energy source within the body.
D. reversible, and can proceed in either direction depending on the concentrations of the molecules.
E. irreversible, as carbonic acid rapidly causes a drop in pH.
Answer: D
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A. The end-diastolic volume minus the end-systolic volume B. The volume of blood in the arterial tree at any moment in time C. The output of the aortic arch baroreceptors D. The product of the heart rate and the volume ejected from the ventricle during a cardiac cycle E. The stroke volume divided by the heart rate
Many different neurons can stimulate an autonomic ganglion cell simultaneously due to
A. convergence. B. reciprocity. C. divergence. D. reverberation.
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A) Lowest for swimmers. B) Highest for fliers. C) Lowest for runners. D) Highest for swimmers.
Which lymphatic disorder is characterized by a lymph node that has become swollen and painful to the touch as a pathogen is being attacked by the lymph node's lymphocytes?
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