I know this reply isnt much help, but i am also interested in this question i didnt take bio 12 or chem 12 so i am also kicking my self for that. But i dont think what fiona said related here in toronto, the program is said to be really good. I will be attending george brown this september after i finish high school what about you?
Everyone is going to be writing Essay like answers, i recommend writing an opinion piece straight from your emotions. This will definitely stand out, because they will see that you aren't just being wordy but rather speaking truthfully.