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Question

Flagella of prokaryotic and eukaryotic cells differ in ________.
  1. Location in cell and mode of functioning
  2. Microtubular organization and function
  3. Type of movement and placement in cell
  4. Microtubular organization and type of movement


Solution

The correct option is D Microtubular organization and type of movement
Prokaryotic flagella are made of the "flagellin" protein. Prokaryotic flagella have only a rotary motion and not wave motion.
Eukaryotic flagella and cilia have the same underlying structure. Eukaryotic flagella are made of microtubules. Eukaryotic flagella have rotary motion, whereas eukaryotic cilia have a wave-like motion. 
This is why the correct answer is "Microtubular organization and type of movement"
The answers containing "Location in cell" and "Placement in the cell" are wrong since both eukaryotic and prokaryotic flagella are present on the surface of the cells. 
 

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