Animal Cell Organelles and Cell Membrane Structure
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Questions and Answers

What is the primary function of the rough endoplasmic reticulum?

  • To transport vesicles to the Golgi apparatus
  • To store calcium ions
  • To synthesize and modify proteins (correct)
  • To produce lipids
  • Which of the following organelles is responsible for the final processing and packaging of proteins before they are transported to their destination within the cell?

  • Lysosome
  • Nucleus
  • Golgi apparatus (correct)
  • Smooth endoplasmic reticulum
  • What is the primary difference between the smooth and rough endoplasmic reticulum?

  • The rough ER contains ribosomes, the smooth ER does not (correct)
  • The smooth ER synthesizes proteins, the rough ER synthesizes lipids
  • The rough ER is more abundant in eukaryotic cells
  • The smooth ER has a higher surface area
  • Which of the following is a key structural difference between prokaryotic and eukaryotic cells?

    <p>All of the above</p> Signup and view all the answers

    Which organelle is responsible for the final step of protein synthesis, where the polypeptide chain is assembled?

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

    What is the primary function of the cell membrane?

    <p>To regulate the movement of materials in and out of the cell</p> Signup and view all the answers

    Which of the following is a key difference between prokaryotic and eukaryotic cells?

    <p>Eukaryotes have membrane-bound organelles, while prokaryotes do not</p> Signup and view all the answers

    What is the primary function of the endoplasmic reticulum (ER)?

    <p>To store and transport materials within the cell</p> Signup and view all the answers

    Where are ribosomes located in eukaryotic cells?

    <p>Some are attached to the endoplasmic reticulum, and some are free in the cytoplasm</p> Signup and view all the answers

    What is the primary function of the nucleus in a eukaryotic cell?

    <p>To store and regulate the cell's genetic information</p> Signup and view all the answers

    Which of the following is a characteristic of prokaryotic cells?

    <p>Presence of a true nucleus</p> Signup and view all the answers

    What is the function of the rough endoplasmic reticulum in eukaryotic cells?

    <p>Assisting in protein synthesis</p> Signup and view all the answers

    Which organelle contains DNA in eukaryotic cells?

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

    What is the main role of the cell membrane in all cells?

    <p>Controlling what enters and exits the cell</p> Signup and view all the answers

    In eukaryotic cells, where are many ribosomes found?

    <p>Attached to the rough endoplasmic reticulum</p> Signup and view all the answers

    Which statement about ribosomes is true?

    <p>Some ribosomes are free and not attached to any membrane.</p> Signup and view all the answers

    What is the function of the nuclear envelope in eukaryotic cells?

    <p>Maintaining cell shape</p> Signup and view all the answers

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