Describe the process of phagocytosis
When a phagocyte recognises the antigens on a pathogen, it engulfs the pathogen. The pathogen becomes contained in a phagocytic vacuole. A lysosome fuses with the phagocytic vacuole and digestive enzymes (lysozymes) from the lysosome break down the pathogen.
HL
Related Biology A Level answers
All answers ▸Explain how the formation of glycogen in liver cells leads to a lowering of blood glucose concentration.
Explain how the chromosome number is halved during meiosis.
Why is ATP required for skeletal muscle contraction?
Describe the structure of starch. How does this structure make starch well suited for energy storage?