Expert 1-on-1 online tutoring for Grade 12 Biology. We break down biochemistry, molecular genetics, homeostasis, and more so you can ace your tests and build the foundation for university life sciences.
SBI4U is the Ontario Grade 12 Biology course and one of the most important sciences for students pursuing health-related university programs. It extends the concepts from SNC2D and SBI3U into university-level topics: biochemistry, metabolic processes, molecular genetics, homeostasis, and population dynamics.
SBI4U is a prerequisite for most health science and life science programs in Ontario, including biology, biochemistry, kinesiology, nursing, and pre-medicine. Universities like U of T, McMaster, Western, and Queen's require SBI4U for science faculty admission, and a strong grade is critical for competitive programs.
Students often find SBI4U challenging because it demands both precise memorization and the ability to explain complex biological processes conceptually. Our tutors help students build frameworks for understanding — not just lists of terms to recall.
Macromolecules (carbohydrates, lipids, proteins, nucleic acids), enzyme function and regulation, and metabolic pathway overview.
Cellular respiration (glycolysis, Krebs cycle, electron transport chain), photosynthesis (light reactions, Calvin cycle), and ATP production.
DNA replication, transcription, translation, gene regulation, mutations, and biotechnology applications.
Nervous system (neurons, action potentials, synaptic transmission), hormonal regulation, osmoregulation, and thermoregulation.
Ecology, population growth models, evolution by natural selection, Hardy-Weinberg equilibrium, and speciation.
Past test walkthroughs, systematic error analysis, and targeted practice for the final exam.
Cellular respiration and photosynthesis involve long sequences of reactions across multiple compartments. Students often memorize steps in isolation and lose marks when asked to explain the overall logic of the process.
DNA replication, transcription, and translation involve distinct enzymes, locations, and rules. Keeping the steps accurate and correctly connecting them for application questions is a common challenge.
The nervous and endocrine systems each have many components, and exam questions often ask students to trace a complete regulatory response — requiring integration across multiple topics covered weeks apart.
We assess exactly where you are in the SBI4U curriculum and build sessions around your specific weak points — no time wasted on topics you already know.
Our tutors hold advanced degrees in biology and related sciences. They explain processes from first principles so you understand the why behind each step, not just the what.
We work through past Ontario SBI4U tests, identify your error patterns, and make sure you walk into every assessment with confidence.
All sessions are delivered live over video call. Book evenings, weekends, or whenever fits your schedule. Available to students across all of Ontario.
per 60-minute 1-on-1 session
No contracts · No hidden fees
★ First 30-minute session is FREE