Animal Stem Cells and Regeneration Practice Questions
20 free Animal Stem Cells and Regeneration practice questions for the Zoology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Animal Stem Cells and Regeneration questions
- Q1. Which type of stem cell has the potential to differentiate into all cell types of the body, including extraembryonic tissues like the placenta?
- Q2. The regenerative process in Planarians (flatworms) is primarily driven by a population of pluripotent adult stem cells known as:
- Q3. In the context of limb regeneration in salamanders (Urodeles), what is the mass of undifferentiated, proliferating cells that forms at the site of amputation?
- Q4. Which type of regeneration is characterized by the remodeling of existing tissues into new structures without significant cell proliferation?
- Q5. Induced Pluripotent Stem Cells (iPSCs) are typically created by 'reprogramming' adult somatic cells with which set of transcription factors?
- Q6. Where is the 'stem cell niche' located in the mammalian small intestine for the continuous renewal of the epithelial lining?
- Q7. Regeneration of the mammalian liver after partial surgical removal is an example of:
- Q8. Which of the following describes 'unipotent' stem cells?
- Q9. In Hydra, the gradient of which signaling molecule is primarily responsible for establishing the 'head' organizer at the apical end?
- Q10. Which type of adult stem cells are found in the bone marrow and can differentiate into osteoblasts, chondrocytes, and adipocytes?
- Q11. What happens during the 'dedifferentiation' phase of epimorphic limb regeneration?
- Q12. The 'Stem Cell Niche' refers to:
- Q13. Which signaling pathway is most famously associated with maintaining the 'stemness' of hematopoietic stem cells and intestinal stem cells?
- Q14. Why are human embryonic stem cells (hESCs) considered 'pluripotent' rather than 'totipotent'?
- Q15. In amphibians, what is the 'Apical Epithelial Cap' (AEC)?
- Q16. Which of these is a significant ethical advantage of using iPSCs compared to ESCs?
- Q17. Satellite cells are the resident stem cells of which tissue?
- Q18. The ability of an organism to regrow a lost tail, such as in many lizards, is often achieved through a process called:
- Q19. Which animal is used as a model to study 'lens regeneration', where the iris cells dedifferentiate and transform into a new lens?
- Q20. As an animal ages, the regenerative capacity typically declines. This is often attributed to: