Multiple Choice
Which is (are) true concerning the cell wall of prokaryotes?
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26. Prokaryotes
Prokaryotic Cell Structure
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__________ is the slime-like layer of polysaccharides on the outer surface of bacterial cells.
A
The outer membrane
B
The cytoplasm
C
The glycocalyx
D
The periplasm
E
The S-layer
Verified step by step guidance1
Identify the key terms in the question: 'slime-like layer', 'polysaccharides', and 'outer surface of bacterial cells'.
Understand that the question is asking for a specific structure found on bacterial cells that fits the description provided.
Recall that the glycocalyx is a structure composed of polysaccharides that forms a protective, slime-like layer on the outer surface of some bacterial cells.
Differentiate the glycocalyx from other bacterial structures: the outer membrane is part of the cell envelope in Gram-negative bacteria, the cytoplasm is the internal fluid of the cell, the periplasm is the space between the inner and outer membranes in Gram-negative bacteria, and the S-layer is a protein layer found in some bacteria and archaea.
Conclude that the glycocalyx is the correct answer as it matches the description of a slime-like layer of polysaccharides on the outer surface of bacterial cells.
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