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BIO NMDCAT cell membrane
nmdcat.online July 8, 2026

The “Unit Membrane” concept proposed by Robertson suggests that the membrane is:

A. A fluid mosaic
B. A trilaminar structure
✓
C. A lipid monolayer
D. A protein bilayer

📝 Explanation

Robertson used electron microscopy to observe the "railroad track" appearance of membranes, implying three distinct layers.

📖 Additional Information

  • A fluid mosaic
  • A trilaminar structure
  • A lipid monolayer
  • A protein bilayer

Robertson used electron microscopy to observe the "railroad track" appearance of membranes, implying three distinct layers.

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