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Questions and Answers

Which type of cells do not have membrane bound nuclei?

  • Plant cells
  • Prokaryotic cells (correct)
  • Eukaryotic cells
  • Nerve cells

    • What is the main focus of this article?

  • Eukaryotic cells (correct)
  • Cell membranes
  • Cell shapes and sizes
  • Prokaryotic cells

    • What is the function of ribosomes in cells?

  • Making proteins (correct)
  • Digesting food
  • Pumping blood
  • Filtering urine

    • What are the protective walls of plant cells made of?

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

    What is the size of human eggs, the largest human cells?

    <p>0.1mm</p> Signup and view all the answers

    Which organelle is responsible for protein production in the cell?

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

    Which organelle is responsible for packing proteins into vesicles?

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

    Which organelle is responsible for recycling cellular waste?

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

    Which organelle is responsible for the transcription of DNA?

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

    What is the function of the nuclear envelope?

    <p>To protect the DNA and house molecules involved in processing genetic information</p> Signup and view all the answers

    Where does transcription take place?

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

    Where does translation take place?

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

    What is the function of the nucleolus?

    <p>To assemble ribosomes responsible for making proteins</p> Signup and view all the answers

    What is the function of the endoplasmic reticulum?

    <p>To create an internal space known as the lumen</p> Signup and view all the answers

    Which organelle is responsible for breaking down fatty acids and protecting the cell from reactive oxygen species?

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

    What is the energy currency of the cell?

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

    What is the prevailing theory about the origin of mitochondria in eukaryotic cells?

    <p>Mitochondria were formed by engulfing smaller cells</p> Signup and view all the answers

    What is the function of microtubules in cell division?

    <p>They pull homologous chromosomes apart</p> Signup and view all the answers

    What is the major function of the cytoskeleton?

    <p>Cell movement</p> Signup and view all the answers

    What is the pH of the intermembrane space in mitochondria?

    <p>Acidic (pH 5)</p> Signup and view all the answers

    Which organelle contains enzymes that hydrolyze substances and can only function properly in an acidic environment?

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

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