The proper buffer pair ratio is:
a. 20 times more sodium bicarbonate than carbonic acid
b. 20 times more carbonic acid than sodium bicarbonate
c. 10 times more sodium bicarbonate than carbonic acid
d. 10 times more carbonic acid than sodium bicarbonate
a. 20 times more sodium bicarbonate than carbonic acid
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Bicarbonate secretion
A) is secreted by apical Cl--HCO3- antiport. B) neutralizes acid entering from the stomach into the duodenum. C) is not dependent on high levels of carbonic anhydrase to maintain bicarbonate production. D) neutralizes acid entering from the stomach into the duodenum and is secreted by apical Cl--HCO3 - antiport. E) is secreted by the acinar cells.
Which of the following is not a source of ionizing radiation?
A) Atomic and nuclear weapons B) Cosmic rays from outer space C) Cholesterol and triglycerides D) Smoke detectors
Centrioles are pairs of cylindrical structures at right angles to each other
a. True b. False Indicate whether the statement is true or false
People with type-A blood produce anti-B antibodies without ever being exposed to type-B blood, but Rh-negative individuals produce anti-Rh antibodies only if they are exposed to Rh-positive blood
Indicate whether the statement is true or false