Stem Cells

• What are stem cells?

  Cells that can divide and differentiate
• Why are stem cells important?

  They can form specialized cells and replace damaged ones
• What are the two key features of stem cells?

  • Ability to divide by mitosis
  • Ability to differentiate into specialized cells
• What is the process by which stem cells divide?

  Mitosis
• What is a zygote?

  A fertilized egg cell that forms an organism
• What type of stem cells are formed from a zygote?

  Embryonic stem cells
• How do embryonic stem cells differ from adult stem cells?

  Embryonic stem cells can differentiate into any cell type
• What can adult stem cells differentiate into?

  Different types of blood cells
• Where are adult stem cells found?

  In bone marrow
• What is the role of adult stem cells?

  To replace damaged cells
• Where are plant stem cells located?

  In meristem tissue
• What do plant stem cells differentiate into?

  All cells and tissues needed by the plant
• How do plant stem cells differ from embryonic stem cells?

  Plant stem cells persist throughout the plant's life
• What types of cells can embryonic stem cells differentiate into?

  • Nerve cells
  • Skin cells
  • Blood cells
• What are the functions of plant stem cells?

  • Differentiate into necessary plant cells
  • Support continuous growth
  • Form tissues like phloem and xylem
• What is the jelly-like substance in bones that contains adult stem cells?

  Bone marrow
• What is the significance of stem cells in human development?

  They enable the formation of all body cells
• How do stem cells contribute to healing and regeneration?

  By replacing damaged or lost cells