Cell Structure and Function Quiz
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Questions and Answers

What surrounds the nucleus in a cell?

  • Cell membrane
  • Mitochondria
  • Cytoplasm (correct)
  • Endoplasmic reticulum
  • What is the genetic information stored in the nucleus of a cell?

  • Enzymes
  • Chromosomes (correct)
  • Ribosomes
  • Histones
  • What are the small structures within the cytoplasm of a cell called?

  • Proteins
  • Carbohydrates
  • Nucleic acids
  • Organelles (correct)
  • What is the basis of the packaging of DNA in the nucleus of a cell?

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

    What is the structure formed by further packing and folding the 'beads on a string' nucleosomes?

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

    In which intranuclear structures is ribonucleic acid (RNA) contained?

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

    What separates the nucleus from the cytoplasm and permits communication between them?

    <p>Double-layered nuclear membrane</p> Signup and view all the answers

    Which organelle converts food materials into energy to make adenosine triphosphate (ATP)?

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

    Inappropriate or excessive accumulation of which product is an indicator of cellular dysfunction and disease, as mentioned in the text?

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

    What acts selectively to allow some materials to pass into and out of the cell while restricting the passage of others?

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

    What contains the genetic information stored in the cell and much of the 'switching mechanism' that controls the action of components of the genetic information?

    <p>The nucleus</p> Signup and view all the answers

    What is the basis of packaging DNA in the nucleus of a cell?

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

    What is the structure of DNA in the nucleus called when it forms a complex structure termed chromatin?

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

    Where are the small structures called organelles located within the cell?

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

    What is the primary function of the mitochondria?

    <p>Breaking down food materials to produce ATP</p> Signup and view all the answers

    How is inappropriate or excessive accumulation of fats within the cell indicative of cellular dysfunction and disease?

    <p>It results in alcoholic steatosis, better known as 'fatty liver'</p> Signup and view all the answers

    What is the structure that separates the nucleus from the cytoplasm and permits communication between them?

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

    Which organelle converts food materials into energy to produce adenosine triphosphate (ATP)?

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

    What is the substance contained in spherical intranuclear structures called nucleoli?

    <p>Ribonucleic acid (RNA)</p> Signup and view all the answers

    What is the most important function of the rough endoplasmic reticulum (RER)?

    <p>Synthesizing ribosomes</p> Signup and view all the answers

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