Multiple choice

The network of endoplasmic reticulum is present in ___________.

  1. nucleus

  2. nucleolus

  3. cytoplasm

  4. chromosome
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The endoplasmic reticulum (ER) is a network of membranes that extends throughout the cytoplasm of eukaryotic cells. It provides a large surface area for cellular reactions and connects to the nuclear envelope. The nucleus, nucleolus, and chromosomes are all nuclear structures, not cytoplasmic networks.

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