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NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    Lysosomes are the reservoirs (store houses) of:                                                                                              

    A)                 hydrolytic enzymes                                        

    B)                 secretory glycoproteins

    C)                 RNA and protein                                             

    D)                 fats (or sugars or ATP)

    Correct Answer: A

    Solution :

                    Lysosomes were discovered by Christian de Duve (1955) from rat liver. Matile (1964 discovered lysosomes in plants. Generally lysosomes are 0.2 - 0.8 in size, irregular membranous vesicles filled with hydrolytic enzymes. They are polymorphic.                 About 40 enzymes (all hydrolytic) are present in lysosomes. These include proteases, nucleases, glycosidases, lipases, phospholipases, phosphatases and sulfatses.


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