Cell Biology Basics
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Questions and Answers

What is the main function of the cell wall?

  • To move and respond to stimuli
  • To maintain balance inside the cell
  • To provide strength and support (correct)
  • To intake nutrients

    • Which type of cell lacks a nucleus and has DNA floating in the cytoplasm?

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

    • What is the main function of the cell membrane?

  • To act as a protective barrier (correct)
  • To exchange gases
  • To provide strength and support
  • To intake nutrients

    • Which model describes the structure of the cell membrane as having a fluid-like nature with proteins floating within it?

    <p>Fluid Mosaic Model</p> Signup and view all the answers

    Which type of cells have a nucleus containing DNA packaged as chromosomes?

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

    What provides strength and support to plant, bacteria, and protist cells?

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

    What are the basic units of life that carry on all life processes within organelles?

    <p>Eukaryotic cells</p> Signup and view all the answers

    Which type of cells lack a nucleus and have DNA floating in the cytoplasm?

    <p>Prokaryotic cells</p> Signup and view all the answers

    What is the main function of the cell wall in plants, bacteria, and protists?

    <p>Strength and support</p> Signup and view all the answers

    Which model describes the structure of the cell membrane as having a fluid-like nature with proteins floating within it?

    <p>Fluid Mosaic Model</p> Signup and view all the answers

    What provides strength and support to plant, bacteria, and protist cells?

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

    Which structure maintains balance inside the cell by allowing some substances in and keeping others out?

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

    In which type of cells is DNA found in the nucleus packaged as chromosomes?

    <p>Eukaryotic cells</p> Signup and view all the answers

    Which type of cells have a protective barrier that is semi-permeable and maintains equilibrium inside the cell?

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

    What are the main structures found in cells that provide strength and support to various organisms?

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

    Which of the following statements about cell membrane proteins is NOT true?

    <p>They are exclusively involved in waste removal</p> Signup and view all the answers

    In a eukaryotic cell, where is the DNA located?

    <p>In the nucleus packaged as chromosomes</p> Signup and view all the answers

    Which structure is not present in prokaryotic cells?

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

    What is the main function of the cell wall in cells?

    <p>Protection and support</p> Signup and view all the answers

    Which type of cells can exchange matter and energy with the surroundings?

    <p>Both prokaryotic and eukaryotic cells</p> Signup and view all the answers

    Which organelle is responsible for converting the chemical energy in glucose into ATP?

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

    What is the main function of lysosomes within a cell?

    <p>Digestion of bacteria or damaged proteins</p> Signup and view all the answers

    What is the function of smooth endoplasmic reticulum (ER) within a cell?

    <p>Fat/oil and steroid production</p> Signup and view all the answers

    What is the main difference between plant and animal cells?

    <p>Presence of centrioles</p> Signup and view all the answers

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