Free Ribosomes in Cell Biology
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Questions and Answers

Which organelle is often made of tubular structures?

  • Endoplasmic reticulum (correct)
  • Mitochondria
  • Nucleus
  • Golgi apparatus

    • What is the morphologically distinct organelle described as being made of tubular structures?

  • Endoplasmic reticulum (correct)
  • Ribosome
  • Lysosome
  • Chloroplast

    • Which organelle, due to its tubular morphology, is involved in lipid metabolism and detoxification processes?

  • Smooth endoplasmic reticulum (correct)
  • Peroxisome
  • Vacuole
  • Centriole

    • What is the name of the organelle known for its interconnected tubular structures found in two types: rough and smooth?

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

    Which organelle, due to its tubular nature, is responsible for calcium storage and release within muscle cells?

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

    Which statement accurately describes the outer mitochondrial membrane?

    <p>It is permeable to most small molecules</p> Signup and view all the answers

    What is the role of the 70S ribosomes in mitochondria?

    <p>Producing proteins within the mitochondria</p> Signup and view all the answers

    What is the main function of the outer mitochondrial membrane?

    <p>Regulation of molecule passage</p> Signup and view all the answers

    Which component is responsible for oxidative phosphorylation in mitochondria?

    <p>Inner mitochondrial membrane</p> Signup and view all the answers

    What distinguishes the structure of mitochondria from other organelles?

    <p>Presence of 70S ribosomes</p> Signup and view all the answers

    What is the role of peroxisomes in plants?

    <p>Required for photorespiration</p> Signup and view all the answers

    Which organelle is emphasized as essential for photorespiration in plants?

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

    What is the significance of cytoskeleton in cells?

    <p>Providing structural support</p> Signup and view all the answers

    Which cellular function is NOT associated with peroxisomes?

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

    In which cellular process are peroxisomes essential due to their involvement in a specific metabolic pathway?

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

    What is one of the main functions of the Golgi apparatus?

    <p>Transporting and modifying proteins</p> Signup and view all the answers

    What is the main function of free ribosomes?

    <p>Produce structural and enzymatic proteins for the cell itself</p> Signup and view all the answers

    Where are free ribosomes located?

    <p>In the cytoplasm</p> Signup and view all the answers

    Which process does the Golgi apparatus NOT perform on proteins?

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

    Which cellular structure is responsible for producing structural proteins outside of the cell itself?

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

    If a cell lacks free ribosomes, what would be the most likely impact on the cell?

    <p>Reduced production of internal cellular proteins</p> Signup and view all the answers

    What distinguishes free ribosomes from bound ribosomes in terms of their location?

    <p>Free ribosomes are found in the cytoplasm while bound ribosomes are found on the endoplasmic reticulum</p> Signup and view all the answers

    Which of the following is NOT modified by the Golgi apparatus?

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

    What type of proteins are processed by the Golgi apparatus?

    <p>Lysosomal proteins</p> Signup and view all the answers

    In addition to proteins, what other cellular component is packaged by the Golgi apparatus?

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

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