Chemistry 1050, or the former Chemistry 1020 or 023.
3.0 courses from: Biochemistry 2280A, Biology 2244A/B, 2290F/G, 2382B, 2483A, 2486A, 2581B, Chemistry 2213A/B, one of Biology 2660A/B, 2672A/B.1.0 course in Biology at the 2200 level or above, which may include courses listed above not already taken.