Chemical biology is a specialization within the university's Chemistry program. Chemical biology, at the interface of chemistry and biology, is a rapidly growing interdisciplinary area in science. Through the synthesis and use of small molecules, probes, or chemically-modified biological macromolecules, chemistry is applied to help answer key questions of biological importance.

Current Ontario secondary school students must complete the Ontario Secondary School Diploma (OSSD) with six 4U or 4M credits including English (ENG4U), Advanced Functions (MHF4U), and two of Biology (SBI4U), Calculus and Vectors (MCV4U), Chemistry (SCH4U) or Physics (SPH4U). In addition, a combined minimum 70 per cent average in prerequisite math and science courses is required. It is recommended that all four of MCV4U, SBI4U, SCH4U and SPH4U be taken. Note: Admission is competitive. The specific average or standing required for admission varies from year to year. Students are selected by taking into consideration a wide range of criteria including school marks, distribution of subjects taken, and performance in subjects relevant to the academic program. Possession of the minimum requirements does not guarantee acceptance. Preference will be given to applicants with the best qualifications.