Today’s question is submitted by Angela Boyd of Westminster College.
Which of the following gives the relative amounts of the smooth and rough endoplasmic reticulum in liver vs. pancreatic cells?
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Correct Answer:
B. Smooth ER is more abundant in liver cells and rough ER is more abundant in a pancreatic cells.
The most abundant organelle in a liver cell is the smooth ER. The smooth ER is involved in lipid synthesis/modification and in the liver is important for detoxification. The rough ER is the site of protein synthesis for secretory and membrane proteins. Pancreatic cells contain large amounts of rough ER to manage the manufacturing of large amounts of secretory proteins (digestive enzymes).
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