Not too easy. Not too difficult.
Prof. Barton is a great professor who explains everything without making it boring. Unless you're great at science you'll need to study, but it's worth it.
Krebs cycle. DNA. 1409 is mostly organ systems, and 1408 is everything else.
Hours per week:
Advice for students:
I made note cards and studied them 10 at a time. Once I had learned the first 10 I added more, and so on and so forth until I knew the material by heart.