Uttarakhand PMT Uttarakhand PMT Solved Paper-2008

  • question_answer
    Which of the following technique, other than microscopy is used for study of cell ?

    A)  Maceration    

    B)  Plasmolysis

    C)  Chromatography

    D)  Autoradiography

    Correct Answer: D

    Solution :

    Autoradiography is an important technique used to study the synthesis of molecules and to trace the metabolic pathways or events in the cells. Autoradiography has been used to trace the path of carbon in photosynthesis by use of \[^{14}C\]and \[{{H}^{3}}\]was used by Taylor for studying chromosome replication. Chromatography is a technique of separating molecular components of a mixture of a mobile phase by using the adsorbend column of silica, alumina etc. Plasmolysis is the shrinkage of protoplast from the cell wall due to exosmosis caused by hypertonic external solution.


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