DUMET Medical DUMET Medical Solved Paper-2008

  • question_answer
    The cellular respiration first takes place in the

    A)  cytoplasm       

    B)  Golgi bodies

    C)  ER              

    D)  lysosomes

    Correct Answer: A

    Solution :

    The cellular respiration first takes place in the cytoplasm. Golgi bodies are complex organelles made of membrane-linked stack of cisternae, network of tubules, vesicles and vacuoles which was first seen by George (1867) but studied by Camillo Golgi in 1898 in nerve cells. Endoplasmic reticulum is a system d  membrane lined channels found in all eukaryotes. It constitutes more than 30-60% of total cell membranes. ER is often connect with outer membrane of nuclear envelope. Lysosomes are small vesicles (0.2-0.8\[\mu m\] containing hydrolysing enzymes ass  surrounded by single membrane. They are formed by Golgi apparatus and contain some 40 types of acid hydrolases.


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