Be willing to improve your study skills and habits with experience over time. If you can do this, there is very little need to memorize. A lot of material is covered and discussed during lecture that may be relevant to the exams. Be sure to pay attention. Come to class early if you want to have a good seat.
Professors discourage tardiness because it distracts the whole class.
Don't be afraid to ask questions in class. This will help clarify things for you. It also lets the professors know you are interested and doing your daily homework. Professors like active participants. Write down main points that you think are important.