Multiple choice

The cell organelle which occurs in form of interconnected membranous tubules is:

  1. nucleus

  2. mitochondria

  3. plastids

  4. endoplasmic reticulum

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

It is an ultra-microscopic network of interconnected membranous tubules present throughout the cytoplasm. It is present in almost all eukaryotic cells. It is formed of three types of elements; cisternae, tubules and vesicles. All the elements of endoplasmic reticulum freely communicate with each other and contain a fluid called endoplasmic matrix.