Tuesday, April 27, 2010

STRUCTURE OF TMV

TMV

        Shape – Rod.                                                      
        Length – 300 nm
        Diameter – 18 or 19 nm                                 
        No. of capsomeres – 2,130                               
        Symmetry – Helical
        Type of Nucleic acid – ss RNA                        
        Type of virus – Phytophage
        Diameter of central hole – 4nm/40A°               
        No. of amino acids in a polypeptide chain – 158
        Length of m RNA involved in the synthesis of each
        capsomer of TMV – 1621.8A°
        No. of nucleotides present in the mRNA involved in the synthesis of
        each capsomer of TMV – 477
        No. of nucleotides in the RNA – 6500             
       Length of RNA – 22100 A°

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Asthra