Prokaryotic Cell Structure · NCERT Biology

In cyanobacteria, there are other membranous extensions into the cytoplasm which contain pigments, called:

  1. Freely permeable to all molecules
  2. Selectively permeable, like eukaryotic membranes
  3. Composed of peptidoglycan
  4. Absent in Gram-negative bacteria
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Correct answer: Selectively permeable, like eukaryotic membranes

The plasma membrane of prokaryotes is a selectively permeable lipid bilayer that regulates the entry and exit of molecules. Structurally, it is very similar to the plasma membrane found in eukaryotes.

Difficulty: Medium Question 14 of 20

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