Cell Membrane Proteins Functions Quiz
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Questions and Answers

What is the primary function of the cell nucleus?

  • To store DNA and control the cell's activities (correct)
  • To transport materials in and out of the cell
  • To break down and recycle waste materials in the cell
  • To produce energy for the cell through cellular respiration

    • What is the purpose of the nuclear membrane, also called the nuclear envelope?

  • To produce energy for the cell through cellular respiration
  • To store and replicate the cell's DNA
  • To break down and recycle waste materials in the cell
  • To separate the nucleus from the cytoplasm and regulate the movement of materials in and out of the nucleus (correct)

    • What is the function of the nucleolus within the cell nucleus?

  • To produce energy for the cell through cellular respiration
  • To store and synthesize RNA for use in protein production (correct)
  • To break down and recycle waste materials in the cell
  • To regulate the movement of materials in and out of the nucleus

    • How are the nuclear membrane and the endoplasmic reticulum (ER) connected?

    <p>The outer membrane of the nuclear envelope is continuous with the ER, and the space between the two nuclear membranes is continuous with the ER lumen</p> Signup and view all the answers

    What is the purpose of the nuclear pores in the nuclear membrane?

    <p>To allow the passage of materials, such as proteins and RNA, in and out of the nucleus</p> Signup and view all the answers

    How does the nucleus control the cell's activities?

    <p>The nucleus sends messages to the cell to grow, replicate, or die</p> Signup and view all the answers

    What is the primary role of the DNA stored within the cell nucleus?

    <p>To determine the characteristics of the cell's proteins and control the cell's activities</p> Signup and view all the answers

    What is the relationship between the nucleolus and the ribosomes in the cell?

    <p>The nucleolus stores and synthesizes RNA for use in ribosome production</p> Signup and view all the answers

    What is the primary function of the intracellular enzymes found within the cell nucleus?

    <p>To control cytoplasmic and nuclear activities</p> Signup and view all the answers

    How does the structure of the nuclear membrane, or envelope, contribute to its function?

    <p>The double-layered membrane and nuclear pores allow for the regulated movement of materials in and out of the nucleus</p> Signup and view all the answers

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