About 23% of the carbon dioxide in the blood is attached to the _______ portion of hemoglobin
A. heme
B. globin
C. carboxyl
D. anhydrase
B
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Answer the following statement(s) true (T) or false (F)
1. Most neurons have multiple dendrites. 2. Unipolar neurons have only a single process leading away from the soma. 3. Oligodendrocytes serve the same purpose in the CNS that satellite cells do in the PNS. 4. Ependymal cells line the inner cavities of the CNS.
Answer the following statements true (T) or false (F)
1. The carbon dioxide that is exhaled reduces the amount of carbonic acid in the blood. 2. A decreased breathing rate reduces the amount of carbonic acid removed and causes a rise in the pH of the blood. 3. A decrease in breathing rate reduces the amount of carbonic acid removed and causes an increase of hydrogen ions in the blood. 4. Hyperventilation can cause acidosis. 5. Hyperventilation would remove more carbonic acid than normal and would cause a decrease in the hydrogen ion concentration.
Endocrine diseases are often due to loss of hormone (i.e., a hormone deficiency)
Which of the following would cause an endocrine disease that mimicked a protein hormone deficiency without a deficiency in the levels of a circulating protein hormone? A. inactive prohormone convertase B. defective exocytotic machinery C. loss of blood transport proteins D. defective receptor E. null mutation in corresponding hormone gene
Which of the following is NOT a G-protein complex protein?
A. delta B. gamma C. alpha D. beta E. None of these choices are correct.