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How do substances like carbon dioxide (C...

How do substances like carbon dioxide `(CO_(2))` and water `(H_(2)O)` move in and out of the cell?

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When `(CO_(2))` accumlates is high concentration inside the cell, diffusion occurs. `CO_(2)` moves out of the cell from the region of higher concentration to a region of lower concentration. When a cell is placed in a solution with a different solute concentration the water tends to move either in or out of the cell according to its concentration gradient by the process of osmosis.
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Knowledge Check

  • By which process substance like carbon dioxide or oxygen can move across the cell membrane?

    A
    Plasmolysis
    B
    Sedimentation
    C
    Diffusion
    D
    Transpiration

  • Substance which absords CO_(2) and violently reacts with H_(2)O with sound is :

    A
    `H_(2)SO_(4)`
    B
    `CaCO_(3)`
    C
    `ZnO`
    D
    `CaO`

  • Calvin along with J.A. Bassham studied reactions in green plants forming sugar and other substances from raw materials like carbon dioxide, water and minerals by labelling the carbon dioxide with

    A
    `O^(18)`
    B
    `C^(12)`
    C
    `C^(14)`
    D
    `O^(16)`

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    How do water molecules (H_(2)O) and carbon dioxide (CO_(2)) move in and out of the cell ?

    we consider a grwing plant. Limting our system to plant itself, to be an exmple of decreasing entropy, small molecules,like carbon dioxide, CO_(2) and water H_(2)O are built into complex but orderly arroangements of macromolecules, which one of the follwing statement applies?

    A combstible substance is made up of hydrocarbons (compounds containing carbon and hydrogen). When such a substance is burnt in air, carbon dioxide and water are formed, with the evolution of heat and light. Expalin how carbon monoxide and water are formed, when substances are burned in insufficient supply of air.

    How are gases like O_(2) and CO_(2) exchanged in our boby ?

    How do plants get carbon dioxide for making food by photosynthesis ?

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