Solved UPSC CDS/OTA Question
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Q · Unit of Life: CellMedium · 45s
The functional difference between smooth and rough ER is mainly due to:
TopicUnit of Life: Cell
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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RER has ribosomes for protein synthesis; SER does lipid metabolism.
Final Answer: Option B - Absence or presence of ribosomes