The fundamental difference between the two methods is that molecular cloning involves replication of the DNA in a living microorganism, while PCR replicates DNA in an in vitro solution, free of living cells.
Costs. Becoming a doctor is not cheap. Depending on your location and specialty, medical school alone can cost between $50,000 and $150,000, and thatâs only tuition.
Training a young doctor costs the NHS Â£237,000. It's a huge investment. In return, they will work long hours for low pay. The payback is job satisfaction â and the hope that, after their 12-year apprenticeship, they will rise to the top of the ladder as senior consultants in their chosen specialties.