Cell division by Mitosis

Cards (26)

  • By the end of the video, what should you be able to describe?
    The importance and stages of mitosis
  • What do both plant and animal cells contain?
    A nucleus
  • What are chromosomes made of?
    The molecule DNA
  • How many chromosomes does the cell contain in the video?
    Four chromosomes
  • How many of each chromosome do body cells contain?
    Two of each chromosome
  • How many pairs of chromosomes do human body cells contain?
    23 pairs of chromosomes
  • What are gametes in terms of chromosomes?
    They have unpaired chromosomes
  • What do chromosomes carry that determines features?
    A large number of genes
  • How many genes do the chromosomes in the video have?
    Four genes
  • What is the purpose of the cell cycle?
    Cells must be able to divide
  • What are the two ways cells can divide?
    Mitosis or meiosis
  • What is the focus of this video regarding cell division?
    Mitosis
  • How many main stages are in the cell cycle including mitosis?
    Three main stages
  • What happens in the first stage of the cell cycle?
    DNA replicates to form two copies
  • What happens to the cell during the first stage of the cell cycle?
    The cell grows and copies internal structures
  • What occurs in the second stage of the cell cycle?
    Mitosis takes place
  • What happens to the chromosomes during mitosis?
    One set is pulled to each end of the cell
  • What divides during the final stage of the cell cycle?
    The cytoplasm and cell membrane
  • What is the result of the cell cycle?
    Two identical cells are formed
  • How many pairs of chromosomes do the resulting cells have?
    Two pairs of chromosomes
  • What might you see in certain textbooks regarding mitosis?
    Different stages of mitosis
  • What is the first function of mitosis mentioned?
    Essential for growth and development
  • What is the second function of mitosis mentioned?
    Repairs damaged tissues
  • What is the third function of mitosis mentioned?
    Occurs during asexual reproduction
  • What are the stages of the cell cycle involving mitosis?
    1. DNA replication
    2. Mitosis
    3. Cytokinesis (division of cytoplasm and membrane)
  • What are the functions of mitosis?
    • Essential for growth and development
    • Repairs damaged tissues
    • Occurs during asexual reproduction