INTRODUCTION
How do bacteria reproduce? Does the bacterial cell contain a nucleus? What are the shapes of bacteria? If you cannot answer these questions now, you should be able to when you have completed this sub course, and you should also know the answers to many other questions. For those of you who already know this material, let it serve as a review.
Why are we interested in bacteria? Because some bacteria are capable of waging war on the human race and some bacteria are capable of benefiting our lives. We need to know the difference.