Most prokaryotic cells, particularly the bacterial cells, have a chenticaly complex cell envelope. The cell envelope consists of a tightly bound thes layered structure i.e, the outermost glycocalyx followed by the cell wall ied then the plasma membrane. Although each layer of the emvelope perfomas. distinct function, they act together as a single protective unit. Bacterta con beclassified into two groups on the basis of the differences in the cell envelope and the manner in which they respond to the staining procedure developed by Gram viz, those that take up the gram stain are Gram positive and the others that do not are called Gram negative bacteria.
Glycocalys differs in composition and thickness among different bacteria. It could be a loose sheath called the slime layer in some, while in others it may be thick and tough, called the capsule. The cell wall determines the shape of the cell and provides a strong structural support to prevem the bacterium from bursting or collapsing.
The plasma membrane is selectively permeable in nature and interacts with the outside world. This membrane is similar struefuraliy to that of the eukriryotes.

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Question Text	Most prokaryotic cells, particularly the bacterial cells, have a chenticaly complex cell envelope. The cell envelope consists of a tightly bound thes layered structure i.e, the outermost glycocalyx followed by the cell wall ied then the plasma membrane. Although each layer of the emvelope perfomas. distinct function, they act together as a single protective unit. Bacterta con beclassified into two groups on the basis of the differences in the cell envelope and the manner in which they respond to the staining procedure developed by Gram viz, those that take up the gram stain are Gram positive and the others that do not are called Gram negative bacteria. Glycocalys differs in composition and thickness among different bacteria. It could be a loose sheath called the slime layer in some, while in others it may be thick and tough, called the capsule. The cell wall determines the shape of the cell and provides a strong structural support to prevem the bacterium from bursting or collapsing. The plasma membrane is selectively permeable in nature and interacts with the outside world. This membrane is similar struefuraliy to that of the eukriryotes.
Updated On	Jul 3, 2023
Topic	Cell: Structure and Functions
Subject	Biology
Class	Class 11
Answer Type	Video solution: 1
Upvotes	62
Avg. Video Duration	4 min

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