Homologue pairs separate during the first round of cell division, called meiosis I. Sister chromatids separate during a second round, called meiosis II. Since cell division occurs twice during meiosis, one starting cell can produce four gametes (eggs or sperm).
1.) Enzymes are a type of protein that speeds up the rate of chemical reactions 2.) Catalase is an enzyme in the liver that hydrogen peroxide (H2O2) 3.) By lowering the activation energy needed 4.) Catalysts
