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Which of the following is not correct? ...

Which of the following is not correct?
(a) Robert Brown discovered the cell.
(b) Schleiden and Schwann formulated the cell theory.
(c) Virchow explained that cells are formed from pre-existing cells.
(d) A unicellular organism carries out its life activities within a single cell.

Answer

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Knowledge Check

  • Which one of the following relationships is correct for cubic (C) and rhombohedral (R) unit cells ?

    A
    `C a ne b ne c, alpha=beta=gamma `
    `R:a=b=c,alpha=beta=gamma=90^(@)`
    B
    `C a = b = c, alpha ne beta ne gamma `
    `R:a ne b ne c,alpha=beta=gamma=90^(@)`
    C
    `C a = b = c, alpha=beta=gamma `
    `R:a=b ne c,alpha= beta=gamma=90^(@)`
    D
    `C a = b = c, alpha=beta=gamma `
    `R:a=b ne c,alpha= beta=gamma ne 90^(@)`
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    Briefly give the contributions of the following scientists in formulating the cell theory. Schleiden and Schwann.

    Briefly give the contributions of the following scientists in formulating the cell theory. Schleiden and Schwann.

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