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  4. Select the correct option - Direction of RNA synthesis Direction of reading of the template DNA A 5 ' - 3' 3' - 5' B 3' - 5' 5' - 3' C 5' - 3' 5' - 3' D 3' - 5' 3' - 5'

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Q. Select the correct option -
Direction of RNA synthesis Direction of reading of the template DNA
A 5 ' - 3' 3' - 5'
B 3' - 5' 5' - 3'
C 5' - 3' 5' - 3'
D 3' - 5' 3' - 5'

AIPMTAIPMT 2014Molecular Basis of Inheritance

Solution:

RNA polymerase initiates and extends the RNA (chain elongation) and iiinctions always in 5' to 3' direction. The structural component of DNA has 3' to 5' polarity. It is also called template DNA strand or antisense (-) strand.