Most of the carbon dioxide in the blood is transported as
A) carbaminohemoglobin.
B) solute dissolved in the plasma.
C) carbonic acid.
D) solute dissolved in the cytoplasm of red blood cells.
E) bicarbonate ions.
E) bicarbonate ions.
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In the parasympathetic division, _________ ganglia are located in the wall of the target organ
Fill in the blank with correct word.
All the muscles that are responsible for a type of movement, like those employed in bipedal walking, are grouped together into a __________
Fill in the blank with the correct word.
What organ in the body regulates erythrocyte production?
A) liver B) brain C) kidney D) pancreas
You have designed a drug that is supposed to bind to the myosin binding sites on actin. You inject it into a relaxed muscle, but find that none of the drug bound. Which of the following explains why?
A. Troponin molecules are covering myosin binding sites on actin. B. The myosin binding sites on actin are covered by tropomyosin. C. The myosin binding sites are covered by ATP. D. There are no myosin binding sites on actin. E. None of the choices are correct.