Rob Franek, editor-in-chief at The Princeton Review, is the company’s main authority on higher education and is a college aficionado -- he visits more than 50 colleges a year. Over his 24-year career in education, he has served as a college admissions administrator, test prep teacher, author and lecturer. He is lead author of The Princeton Review’s annual books, The Best 382 Colleges, and Colleges That Pay You Back: The 200 Schools That Give You the Best Bang for Your Tuition Buck. He is also author of Colleges That Create Futures: 50 Schools That Launch Careers by Going Beyond the Classroom and co-author of If The U Fits: Expert Advice on Finding the Right College and Getting Accepted. Rob gives dozens of presentations a year to audiences of teachers, parents and students on trending education and college topics. Follow his tweets at @RobFranek.

There's a lot of science on the AP Biology Exam — three hours' worth, to be precise. Trying to memorize every little fact and figure from the class can stress out a lot of students, so I'm here to help you stay calm in the days leading up to the test. Here's a breakdown of what you can expect to see on the exam so you can get your preparation off on the right foot.

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