Prereq: CAS CH 204, CH 212, CH 214, or CH 282. Introductory biochemistry. Protein structure and folding, enzyme mechanisms, kinetics, and allostery; nucleic acid structure; lipids and membrane structure; bioenergetics; vitamins and coenzymes; introduction to intermediary metabolism. Students must register for two sections: lecture and laboratory. Meets with CAS CH 421. Effective Fall 2020, this course fulfills a single unit in each of the following BU Hub areas: Writing-Intensive Course, Quantitative Reasoning II, Critical Thinking, Teamwork/Collaboration.