Q.

If the sequence of nitrogen bases in one strand is known, then the sequence of bases in opposite strand can be predicted. Which salient feature of DNA the above statement signify ?

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a

Antiparallel polarity

b

Right handed coiling

c

Complementary nature of strands

d

Back bone is made of phosphate group and sugar

answer is C.

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Detailed Solution

Complementary nature of strands helps in predicting  the sequence of bases in opposite strand, if the sequence of nitrogenous bases in the other strand is known. We know that A pairs with T and G pairs with C.

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If the sequence of nitrogen bases in one strand is known, then the sequence of bases in opposite strand can be predicted. Which salient feature of DNA the above statement signify ?