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.
Best Answer: Becoming a doctor requires more training than most other jobs. It usually takes at least 11 years to become a doctor: 4 years of college, 4 years of medical school, and 3 years working in a hospital.For some specialties, doctors may have to work in a hospital for up to 8 years before they are trained.To become a doctor, you should study biology, chemistry, physics, math, and English. It is not easy to get into medical school. You have to do very well in college and on medical school entrance tests.Students spend most of the first 2 years of medical school in labs and classrooms. They take lots of science courses.o become a doctor, you should study biology, chemistry, physics, math, and English. It is not easy to get into medical school. You have to do very well in college and on medical school entrance tests. Students spend most of the first 2 years of medical school in labs and classrooms. They take lots of science courses.