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21/10/2021 12:01 pm
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In the DNA molecule
(1) the proportion of Adenine in relation to thymine varies with the organism
(2) the total amount of purine nucleotides and pyrimidine nucleotides is not always equal
(3) there are two strands which run anti-parallel one in 5′ → 3′ direction and other in 3′ → 5′
(4) there are two strands which run parallel in the 5′ → 3′ direction
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21/10/2021 12:01 pm
Correct answer: (3) there are two strands which run anti-parallel one in 5′ → 3′ direction and other in 3′ → 5′