The Endoplasmic Reticulum Quiz
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Questions and Answers

What is the main reason behind the name 'Endoplasmic reticulum'?

  • It forms 30-60% of the total membrane in a cell
  • It is a complex network of inter-connecting membrane-bound vacuoles
  • The vacuoles often remain in the endoplasmic region of the cytoplasm (correct)
  • It is absent in mature erythrocytes, ova, and embryonic cells

    • Where is the Endoplasmic reticulum absent?

  • Fibroblast cells
  • Mature erythrocytes (correct)
  • Adipose tissue
  • Liver and pancreatic cells

    • Which cells have abundant Rough Endoplasmic Reticulum (RER)?

  • Fibroblast cells
  • Liver and pancreatic cells (correct)
  • Adipose tissue cells
  • Spermatocytes

    • What is the percentage of the total membrane that the Endoplasmic reticulum forms in a cell?

    <p>30-60%</p> Signup and view all the answers

    Who coined the term 'Endoplasmic reticulum'?

    <p>Porter</p> Signup and view all the answers

    What is the main feature of the endoplasmic reticulum (ER) according to the text?

    <p>It forms a complex network of inter-connecting membrane bound vacuoles in the cytoplasm</p> Signup and view all the answers

    Who coined the term 'Endoplasmic Reticulum'?

    <p>Porter in 1953</p> Signup and view all the answers

    In which type of cells is the Endoplasmic Reticulum (ER) found to be absent?

    <p>Mature erythrocytes</p> Signup and view all the answers

    What percentage of the total membrane in a cell does the Endoplasmic Reticulum (ER) form?

    <p>30-60%</p> Signup and view all the answers

    In which type of cells is the Rough Endoplasmic Reticulum (RER) abundant?

    <p>Liver and pancreatic cells</p> Signup and view all the answers

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