Assumes year of high school biology and chemistry. For premedical students and students who plan to concentrate in the natural sciences. Required of biology concentrators. It is recommended that MET CH 101 and CH 102 be taken prior to or concurrently with this sequence. Each course has three hours lecture and three hours lab. Effective Fall 2020, this course fulfills a single unit in each of the following BU Hub areas: Quantitative Reasoning I, Scientific Inquiry I, Critical Thinking, Research and Information Literacy.