Multiple choice

Endoplasmic reticulum is made of which of the following?

  1. Tubules
  2. Cisternae
  3. Vesicles

  1. 1 only

  2. 2 only

  3. 3 only

  4. 1 and 2 only

  5. 1, 2 and 3

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Correct answer. Endoplasmic reticulum is made of tubules (branched network; 50-100 nm in diameter), cisternae (parallel interconnected flattened sac of 40-50 nm of thickness) and vesicles (round or oval; 25-500 nm diameter).