Ingestion of bacteria by certain type of cells is termed as ________ ?
Correct answer: D. Phagocytosis
- A. Acclimatization
- B. Agglutination
- C. Paralysis
- D. Phagocytosis
Explanation
Phagocytosis is the process in which cells such as neutrophils and macrophages engulf and digest bacteria or other particles. Students may choose b because agglutination also involves microbes, but agglutination is their clumping by antibodies or other binding molecules, not their ingestion.
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Specific defense mechanisms provide targeted immunity through B lymphocytes, T lymphocytes, antibodies and memory cells that recognize particular antigens. Questions cover humoral and cell mediated responses, clonal selection, primary and secondary immune responses, vaccination and passive immunity, while distinguishing adaptive defenses from the immediate, non specific innate response.
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