phagocytosis

Question 1

what are the purpose of lysosomes

Answer 1

contain lysozymes that hydrolyse bacteria

Question 2

describe the process of phagocytosis

Answer 2

• phagocyte is attracted to pathogen by chemical products of pathogen
• receptor on the cell surface membrane of phagocyte binds to chemicals on surface of bacteria
• phagocyte engulfs bacteria to form a phagosome
• lysosome empties contents into phagosome that releases lysozymes that hydrolyse bacteria
• soluble products from digestion are absorbed into cytoplasm of phagocyte