Cell Biology: Smooth Endoplasmic Reticulum and Golgi Apparatus
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Questions and Answers

What is the main function of smooth endoplasmic reticulum?

  • Carbohydrate storage
  • Detoxifying harmful metabolic products
  • Protein synthesis
  • Lipid and fatty acid biosynthesis (correct)

    • Which organelle is responsible for modifying and sorting proteins and lipids?

  • Lysosome
  • Mitochondrion
  • Golgi apparatus (correct)
  • Nucleus

    • What is the major site where carbohydrates are added to proteins and lipids?

  • Golgi apparatus (correct)
  • Endoplasmic reticulum
  • Mitochondrion
  • Lysosome

    • Which organelle looks like stacks of flattened membrane sacs?

    <p>Golgi apparatus</p> Signup and view all the answers

    What is the main function of the Golgi apparatus?

    <p>Modification and sorting of proteins and lipids</p> Signup and view all the answers

    Which organelle is specialized for the production of lipids?

    <p>Smooth endoplasmic reticulum</p> Signup and view all the answers

    What is the function of sugars attached to proteins in glycoproteins?

    <p>Form a protective coating over the cell membrane</p> Signup and view all the answers

    What is the main function of lysosomes in cells?

    <p>Degrade macromolecules using hydrolytic enzymes</p> Signup and view all the answers

    Which organelle is responsible for the traffic of proteins from ER to Golgi?

    <p>Golgi apparatus</p> Signup and view all the answers

    What is the role of small amounts of reverse traffic in cells?

    <p>Retrieve proteins accidentally moved forward in the ER/Golgi</p> Signup and view all the answers

    Which organelle is responsible for forming a protective coating over the cell membrane through glycoproteins?

    <p>Golgi apparatus</p> Signup and view all the answers

    What is the primary function of glycoproteins in cells?

    <p>Facilitate cell-cell recognition and interaction</p> Signup and view all the answers

    What is the primary function of the endoplasmic reticulum?

    <p>Protein and lipid synthesis</p> Signup and view all the answers

    Which organelle is composed of a network of membranes for protein and lipid synthesis?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

    What type of proteins does the rough endoplasmic reticulum synthesize?

    <p>Membrane-bound proteins</p> Signup and view all the answers

    Which organelle is responsible for synthesizing transmembrane proteins destined for organelles or secretion?

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

    What is the primary role of the Golgi apparatus?

    <p>Protein modification and packaging</p> Signup and view all the answers

    Which organelle has two different appearances and is involved in synthesizing transmembrane proteins?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

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