Constant regulation of blood pH is critical. There are several processes (and several organ systems) involved in this regulation. Fully explain two different ways that blood pH is regulated by the urinary system
What will be an ideal response?
The student can describe the carbonic acid buffering system, which involves H+ and HCO3-. They could approach this from the nephron's perspective or from the perspective of the blood. The student might also explain how the respiratory rate affects blood pH. More specifically, if blood pH is too low, then the kidneys may remove excess hydrogen ions from the blood and excrete them in urine. Second, by returning bicarbonate to the blood, the kidneys sustain the important carbonic acid buffering system of the blood.
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All of the following are coenzymes except
A) NAD. B) NADP. C) FAD. D) coenzyme A. E) pyruvate dehydrogenase.
Most of the active functions of plasma membranes are carried out by ____
a. cholesterol b. proteins c. hydrophilic heads d. hydrophobic tails e. carbohydrates
Salmonelloses are:
What will be an ideal response?
All of the following represent anchoring junctions EXCEPT
A. tight junctions. B. focal adhesions. C. desmosomes. D. adherens junctions. E. hemidesmosomes.