Not too easy. Not too difficult.
I recommend this since the course really teaches you why molecules in these biological pathways change instead of just memorizing arrow pushing.
Professor Francis is an entertaining lecturer and explains things so well that you don't need a textbook for the class -- only lecture notes.
Hours per week:
Advice for students:
Get very comfortable with the problem sets and why the molecules change the way they do and you'l be set for the test.