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BIO NMDCAT CELL STRUCTURE & FUNCTION
nmdcat.online July 3, 2026

34. The phenomenon of cellular “crenation,” where a cell shrivels up and forms notches on its surface due to water loss in a hypertonic medium, occurs in

A. Mature plant leaf cells
B. Animal erythrocytes (red blood cells)
✓
C. Algal cell walls
D. Root hair cells

📝 Explanation

Without an external wall to anchor its shape, an animal cell losing water collapses completely, shriveling into a wrinkled, crenated morphology.

📖 Additional Information

  • Mature plant leaf cells
  • Animal erythrocytes (red blood cells)
  • Algal cell walls
  • Root hair cells

Without an external wall to anchor its shape, an animal cell losing water collapses completely, shriveling into a wrinkled, crenated morphology.

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