Hepatocytes carry out a number of different functions.Which statements describe functions that occur in hepatocytes?Function 1: combining ammonia and carbon dioxide via the ornithine cycle.Function 2: storage of glycogen and some vitamins and mineralsFunction 3: breakdown of drugs and alcoholQuestion 14Select one:A.Only 2 and 3B.1, 2 and 3C.Only 1D.Only 1 and 2
Question
Hepatocytes carry out a number of different functions.Which statements describe functions that occur in hepatocytes?Function 1: combining ammonia and carbon dioxide via the ornithine cycle.Function 2: storage of glycogen and some vitamins and mineralsFunction 3: breakdown of drugs and alcoholQuestion 14Select one:A.Only 2 and 3B.1, 2 and 3C.Only 1D.Only 1 and 2
Solution
The correct answer is B. 1, 2 and 3.
Hepatocytes, the main cell type in the liver, perform all three functions mentioned.
Function 1: Hepatocytes combine ammonia and carbon dioxide via the ornithine cycle, also known as the urea cycle, to detoxify ammonia produced by protein metabolism.
Function 2: Hepatocytes also store glycogen, vitamins, and minerals. Glycogen is a form of glucose storage, and the liver can release it into the bloodstream when needed.
Function 3: Hepatocytes are responsible for the breakdown of many substances, including drugs and alcohol. This is part of the liver's role in detoxification.
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