You mean the Decomp, Comb, and Replacement formulas? I am not sure what you meant. But there wasn't that many questions based on those formulas. Definitely need to know the parts of the animal and plant cells, mitosis, meiosis, photosynthesis, properties of water, types of bonds, proteins, carbs, lipids, enzyme, glycolysis. Here is a good link that really helped me when I was studying for the exam -
CLEP: Biology
Don't forget is 115 questions.