Subcellular Organelles and Cell Membranes Lecture Quiz
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Questions and Answers

Which organelle is responsible for protein sorting, packaging, and secretion?

  • Lysosomes
  • Golgi apparatus (correct)
  • Plasma membrane
  • Mitochondria
  • What is the main function of mitochondria?

  • Cellular communication
  • Protein synthesis
  • Energy production (correct)
  • Waste decomposition
  • What is the optimal pH for lysosomal enzymes?

  • Around 7
  • Around 2
  • Around 5 (correct)
  • Around 10
  • Which organelle separates the cell from the external environment and regulates the entry and exit of compounds?

    <p>Plasma membrane</p> Signup and view all the answers

    Which organelle is responsible for modifying, sorting, and packaging proteins for secretion?

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

    Which organelle is the most prominent and contains the DNA, the chemical basis of genes?

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

    Under an electron microscope, the endoplasmic reticulum appears to have a __.

    <p>Railway track appearance</p> Signup and view all the answers

    Which organelle forms chromosomes by complexing very long DNA molecules with proteins?

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

    Which organelle is a network of interconnecting membranes enclosing channels or cisternae?

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

    Which organelle is responsible for the synthesis, modification, sorting, and packaging of proteins and lipids?

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

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