During an infection, white blood cells travel to the infected site and phagocytize the pathogens. After phagocytosis, primary lysosomes fuse with the phagocytic vesicle to form a larger vesicle called a secondary lysosome. The reason for this is: answer choices
a) to introduce antibodies to the phagocytic vesicles
b) to wrap the pathogen in additional membrane, rendering them harmless
c) to prepare the bacteria for export from the body
d) to mix the pathogens with strong hydrolytic enzymes and destroy them

d) to mix the pathogens with strong hydrolytic enzymes and destroy them

Explanation:

phagocytosis occurs when a cell engulfs a molecule to break it down.

white blood cells are known as phagocytes as they ingest invading bacteria to break them down and destroy them.

The bacteria is first enclosed by a phagocytic vesicle that lysosomes fuse with on fusing lysosomes then break down the bacteria by mixing them with strong hydrolytic enzymes.

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