WB JEE Medical WB JEE Medical Solved Paper-2015

  • question_answer
    During entry into the ovum, acrosome of sperm releases

    A)  hyaluronidase      

    B)  alkaline phosphatase

    C)  acid phosphatase  

    D)  carbonic anhydrase

    Correct Answer: A

    Solution :

     The acrosome reaction commences when the sperm reach the zona pellucida. During the acrosomal reaction, plasma membrane and outer acrosomal membrane surrounding the acrosome, ruptures. It result in gradual release of acrosomal contents which contain several enzymes including hyaluronidase and acrosin.


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