Q21 / 432 · NTA Abhyas (NEET) 2020 · Botany · Biological Classification

The term 'glycocalyx' is used for :

  • A
    a layer present between cell wall and membrane of bacteria
  • B
    cell wall of bacteria
  • C
    bacterial cell glyco-engineered to possess N-glycosylated proteins
  • Correct answer
    D
    a layer surrounding the cell wall of bacteria

Solution

Bacteria is surrounded by three layered envelope, the outermost is glycocalyx followed by the cell wall and then plasma membrane. Glycocalyx is the outermost layer of the envelope. It differs in composition and thickness among different bacteria.

Hence, the correct answer is option: 'D'.

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