Question

Explain three main functions of free antibodies produced by B-lymphocytes.

Hint:

Antibodies enhance immune response by targeting pathogens for neutralization, phagocytosis, or lysis.

Answer 1

1. Neutralization: Antibodies bind to pathogens or toxins, preventing them from infecting cells or causing harm.
2. Opsonization: Antibodies mark pathogens for phagocytosis by immune cells like macrophages.
3. Complement Activation: Antibodies trigger the complement system, leading to pathogen lysis or enhanced immune response.
Answer: Neutralization, opsonization, complement activation.