In the DNA molecule, | vedclass

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(B) : $A$ $DNA$ molecule consists of two unbranched complementary strands that are spirally coiled.These two chains are antiparallel,meaning they run

Vedclass · Accepted Answer

there are two strands which run antiparallel; one in $5' 	o 3'$ direction and other in $3' 	o 5'$

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(B) : $A$ $DNA$ molecule consists of two unbranched complementary strands that are spirally coiled.These two chains are antiparallel,meaning they run parallel to each other but in opposite directions.One chain has a polarity of $5' 	o 3'$,while the other has a polarity of $3' 	o 5'$.Both strands are held together by hydrogen bonds between their nitrogenous bases,specifically $A=T$ and $G \equiv C$.According to Chargaff's rule,the amount of adenine is equal to thymine,and the amount of guanine is equal to cytosine.The base ratio $(A+T)/(G+C)$ may vary between different species but remains constant for a given species.The total amount of purines $(A+G)$ is always equal to the total amount of pyrimidines $(T+C)$.

In the $DNA$ molecule,

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