JCECE Medical JCECE Medical Solved Paper-2015

  • question_answer Select the false statement.

    A)  Ribosomes and centriole are non-membrane bound organalles of a cell.

    B)  Ribosomes are enveloped by a double membrane.

    C)  Plasmadesmeta are the cytoplasmic connections between cells.

    D)  Cell membrane is semi-permeable or selectively permeable.

    Correct Answer: B

    Solution :

     Ribosomes are large and complex molecular structure, found within all living cells. They lack membrane boundaries. They serve as the site of biological   protein   synthesis   (translation). A ribosome is made from complexes of RNAs and proteins and is therefore a ribonucleoprotein. -

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