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BIO NMDCAT Cytoplasmic Organelles
nmdcat.online July 4, 2026

24. The flattened, interconnected membranous sacs and tubular networks that structurally constitute the endoplasmic reticulum are termed

A. Cristae
B. Thylakoids
C. Cisternae
✓
D. Grana

📝 Explanation

Cisternae are the flattened fluid-filled sacs making up the ER and Golgi. Cristae belong to mitochondria, and thylakoids belong to chloroplasts.

📖 Additional Information

  • Cristae
  • Thylakoids
  • Cisternae
  • Grana

Cisternae are the flattened fluid-filled sacs making up the ER and Golgi. Cristae belong to mitochondria, and thylakoids belong to chloroplasts.

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