Understanding Chromosomes in Living Organisms
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Questions and Answers

What is the primary function of chromosomes?

  • To provide structural support to the cell
  • To store and transmit genetic information (correct)
  • To regulate cellular metabolism
  • To produce enzymes for cellular processes

    • Where are chromosomes located within a eukaryotic cell?

  • In the nucleus (correct)
  • In the cell membrane
  • In the cytoplasm
  • In the mitochondria

    • What is the primary component of chromosomes?

  • Lipids
  • Proteins and DNA (correct)
  • RNA
  • Carbohydrates

    • What is the purpose of compacting DNA into chromosomes?

    <p>To fit the long DNA molecules into the nucleus</p> Signup and view all the answers

    What is the name of the protein around which DNA wraps to form a chromosome?

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

    How many chromosomes do humans have in total?

    <p>46</p> Signup and view all the answers

    What is the name given to the complex formed by eight histones together?

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

    What is the main purpose of chromosomes?

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

    Which of the following is NOT one of the four types of chromosomes based on the location of the centromere?

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

    What is the shape of a metacentric chromosome?

    <p>V-shaped</p> Signup and view all the answers

    Which of the following human chromosome pairs are considered acrocentric?

    <p>14, 15, and 21</p> Signup and view all the answers

    What is the purpose of a karyotype?

    <p>To identify genetic abnormalities in an individual's chromosomes</p> Signup and view all the answers

    What is the difference between the p arm and the q arm of a chromosome?

    <p>The p arm is shorter than the q arm</p> Signup and view all the answers

    What is the function of the centromere in a chromosome?

    <p>Both a and b</p> Signup and view all the answers

    Which of the following statements about telocentric chromosomes is true?

    <p>They are not found in humans</p> Signup and view all the answers

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