Question

approximate no of nucleotides in the genome of tmv
A.6500
B.2130
C.158
D.none

Answer 1

2130 is the correct answer...

Answer 2

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✔ Tobacco Mosaic Virus is about 300 nm long and 18nm in diameter, with a molecular weight of 39×10^6 Daltons.

✔The capsid (protein coat) is made of 2,130 Protein subunits of identical size, called Capsomeres.

✔The capsomeres are arranged in a helical manner around a central hollow space of 4 nm.

✔Each Protein subunit is made up of a single polypeptide chain which consists of 158 amino acids.

✔ Inside the protein capsid, there is a Single stranded spirally coiled RNA molecules.

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The genome of TMV is Single Stranded RNA that consists 6,500 NUCLEOTIDES.


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