Why does ATP contain energy? What is cellular respiration? The formular of cellular respiration? The three stages of cellular respiration What is glycolysis? Where does it take place? What are the end products of glycolysis? What is oxygen used for in respiration? Which stage to produce CO 2 ? What are the functions of the citric acid cycle? At what stage does cellular respiration harvest the most chemical energy? What is Energy? Where are the proteins of the electron transport chain located? How does the H 2 O form? (Mitosis) Two types of cell division? Cell cycle? The order of the cell cycle? What is the interphase? What happened during the interphase? The characters of the four stages of mitosis: prophase, metaphase, anaphase, and telophase What is a chromatid (sister chromatids)? Chromatin, and chromosome, and homologous chromosomes?.