Multiple Choice
Which of the following is a primary function of a bacterium's capsule?
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1. Introduction to Microbiology
Introduction to Bacteria
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Which structure protects bacteria from being phagocytized by white blood cells?
A
Flagellum
B
Cell membrane
C
Capsule
D
Ribosome
Verified step by step guidance1
Understand the role of each bacterial structure listed in the problem: Flagellum, Cell membrane, Capsule, and Ribosome.
Recall that the Flagellum is primarily involved in bacterial motility, helping bacteria move but not directly protecting against phagocytosis.
Recognize that the Cell membrane controls the movement of substances in and out of the cell but does not provide protection from immune cells like white blood cells.
Know that Ribosomes are responsible for protein synthesis within the bacterial cell and do not have a protective function against phagocytosis.
Identify that the Capsule is a polysaccharide layer outside the cell wall that helps bacteria evade the immune system by preventing phagocytosis by white blood cells.
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