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Q.

How many of the following statements are true ? 
(A) Thymine is also called 5 – methyl uracil 
(B) The two polynucleotide chains of DNA have anti-parallel polarity 
(C) DNA is more reactive and less stable 
(D) In the DNA of any species A+GT+Cis always one.

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a

2

b

1

c

3

d

4

answer is C.

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Detailed Solution

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DNA is chemically more stable but less reactive.

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