In a typical bacterial envelope, what is the outside-to-inside order?
ACell wall → membrane → glycocalyx
BGlycocalyx → cell wall → membrane
CMembrane → glycocalyx → cell wall
DCell wall → glycocalyx → membrane
Answer & Solution
Correct answer: B. Glycocalyx → cell wall → membrane
The glycocalyx is outermost, followed by the cell wall and plasma membrane. Together they form a protective envelope.
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