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Explain the structure of a bacterial cel...

Explain the structure of a bacterial cell in brief.

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Bacterial cell is a prokaryotic cell. Nucleus is not enveloped by a nuclear membrane .
• It contains a single chromosome with DNA. Nucleolus is absent .
• It does not possess membrane bound cell organelles. Mitochondria are absent
• The cell membrane consists of infoldings called mesosomes which help in respiration
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Knowledge Check

  • Which of the following statements is incorrect regarding the structure of a typical bacterial cell?

    A
    Cell possess naked circular DNA which is folded to form nucleoid.
    B
    Cell are surrounded by a peptidoglycan cell wall and a mucilaginous sheath.
    C
    Cells possess well developed membrane bound cell organelles.
    D
    Ribosomes in these cells are 70S is nature.

  • A bacterial cell contains

    A
    Mesosome, Golgi bodies and nucleoid
    B
    Mesosome and sap vacoule
    C
    Mesosome, nucleoid _and thylakoids
    D
    Lysosome, nucleoid and inclusion bodies

  • The murein found in bacterial cell is

    A
    Derivative of protein
    B
    Derivative of fat
    C
    Derivative of organic acids
    D
    Derivative of sugars

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