Textbook Question
Indicate which statements are true. Correct all false statements by changing the underlined words.
__________ A membrane attack complex drills circular holes in a macrophage.
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19. Innate Immunity
Phagoctytosis
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White blood cells (e.g., neutrophils and macrophages) engulf and ingest bacteria through what process?
A
Binary fission
B
Phagocytosis
C
Pinocytosis
D
Osmosis
Verified step by step guidance1
Identify the process by which white blood cells engulf and ingest bacteria. This involves the cell surrounding and internalizing solid particles such as bacteria.
Recall that binary fission is a method of asexual reproduction in bacteria, not a process used by white blood cells to ingest bacteria.
Understand that pinocytosis is the process of engulfing liquid droplets, not solid particles like bacteria.
Recognize that osmosis is the passive movement of water across a semipermeable membrane and is unrelated to engulfing bacteria.
Conclude that the correct process is phagocytosis, which is the cellular mechanism where white blood cells engulf and digest solid particles such as bacteria.
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