Not too easy. Not too difficult.
If you have to take biochemistry, do it with keating.
You can only make biochemistry SO interesting and/or relevant...but Dr. Keating manages to do a great job. He's the freakin man, and he's actually pretty funny too. Tests aren't too difficult, just make sure you memorize his outlines.
Hours per week:
Advice for students:
definitely memorization is key. study his outlines and the points he hilights in class and you'll do fine