Multiple choice

Which of the following statements is/are correct about endoplasmic reticulum?
A. The endoplasmic reticulum is a large network of membrane-bound tubes and sheets. B. The transport of materials (especially proteins) between various regions of the cytoplasm or between the cytoplasm and the nucleus is the function of the endoplasmic reticulum. C. In the pancreatic cells of the vertebrates, smooth endoplasmic reticulum acts as a detoxifying agent for poisons and drugs.

  1. Only A

  2. Only B

  3. Only C

  4. A and B

  5. A and C
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A. The endoplasmic reticulum (ER) is a large network of membrane-bound tubes and sheets. B. The function of the endoplasmic reticulum is to serve as a channel for the transport of materials (especially proteins) between various regions of the cytoplasm or between the cytoplasm and the nucleus. C. In the liver cells of the group of animals called vertebrates, smooth endoplasmic reticulum plays a crucial role in detoxifying many poisons and drugs.

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