If your parent is a homeschool educator or you have a tutor with a verified instructor account, they can access the official “Solutions Manual” for Biology 12 (ISBN: 9780070916818).
The answer key for Unit 2 (Metabolic Processes) of the McGraw-Hill Ryerson Biology 12 textbook mcgraw-hill ryerson biology 12 answer key unit 2
Most teachers respect this approach and will either give you the key or set up a one-on-one review session. If your parent is a homeschool educator or