DUMET Medical DUMET Medical Solved Paper-2010

  • question_answer
    Simultaneous movement of two molecules across a membrane in the same direction is known as

    A)  antiport        

    B)  symport

    C)  uniport          

    D)  biport

    Correct Answer: B

    Solution :

    A symporter is an integral membrane protein that is involved in movement of two or more  different molecules or ions across a phospholipid membrane such as the plasma membrane in the same direction; and the movement is called symport, eg, in the roots of plants, after pumping out \[{{H}^{+}}\] they use \[{{H}^{+}}/{{K}^{+}}\] symporter to create a chemiosmotic  potential inside the cell,


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