B3 Higher Recall Questions1. Why do liver and muscle cells have large numbers of mitochondria?2. What is the function of ribosomes?3. What is the shape of a DNA molecule?4. How do bases in DNA code for proteins?5. Why are enzymes specific?6. Why does changing temperature affect enzyme action?7. How do changes in genes alter proteins?8. What is the symbol equation for respiration?9. What is the function of ATP?10. Why does anaerobic respiration occur during exercise?11. What is meant by oxygen debt?12. What are the advantages of being multicellular?13. What are the uses of mitosis and meiosis in mammals?14. What are the main stages in mitosis?15. How does meiosis produce haploid cells?16. How is a red blood cell adapted to its function?17. How does haemoglobin transport oxygen?18. What are the main parts of the mammalian heart?19. Explain the main types of blood vessels are adapted for their functions?20. What are the simple differences between bacterial cells and plant and animal cells?21. What are the advantages and disadvantages of different growth measures?22. What is the function of stem cells?23. What is the difference between adult and embryonic stem cells?24. How can selective breeding lead to inbreeding?25. What are some of the consequences of inbreeding?26. What are the potential benefits and risks of genetic engineering?27. What are the main stages in genetic engineering?28. What are the possible uses of cloning?29. Describe the cloning technique used to produce Dolly the sheep?30. What does nuclear transfer mean?31. Why is coning plants easier than cloning animals?