Cell Nucleus Function
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Questions and Answers

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

  • To enclose and protect the cell's genetic material (DNA) (correct)
  • To produce energy for the cell
  • To break down waste products in the cell
  • To synthesize proteins for the cell

    • Which type of cells do not have a nucleus?

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

    • Where is the nucleus located within a eukaryotic cell?

  • In the center of the cell, surrounded by other organelles (correct)
  • Near the cell membrane
  • Randomly distributed throughout the cell
  • At the periphery of the cell

    • What organelle is found on the surface of the nucleus?

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

    What does the term 'nucleus' refer to in chemistry?

    <p>The center of an atom, composed of protons and neutrons</p> Signup and view all the answers

    What are the four nitrogenous bases present in DNA?

    <p>Adenine, Guanine, Cytosine, Thymine</p> Signup and view all the answers

    Which base pairs consistently with adenine in DNA?

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

    What replaces thymine in RNA during base pairing?

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

    Which molecule carries amino acids and bonds with mRNA during translation?

    <p>Transfer RNA (tRNA)</p> Signup and view all the answers

    What is the process by which genes in DNA direct life processes known as?

    <p>Gene Expression</p> Signup and view all the answers

    What is the primary function of the nucleolus?

    <p>To produce ribosomes</p> Signup and view all the answers

    What is the role of the nuclear envelope?

    <p>To facilitate the movement of substances in and out of the nucleus</p> Signup and view all the answers

    What is the relationship between DNA and chromatin?

    <p>Chromatin is the structure formed by DNA and proteins</p> Signup and view all the answers

    What is the purpose of gene expression in different cell types?

    <p>To control the differentiation and specialization of cells</p> Signup and view all the answers

    What is the process by which the nucleus initiates cell division?

    <p>It condenses its chromatin into chromosomes and replicates them</p> Signup and view all the answers

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