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  4. Antiparallel strands of a DNA molecule means that

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Q. Antiparallel strands of a DNA molecule means that

AIPMTAIPMT 2006Molecular Basis of Inheritance

Solution:

J D Watson and F H C Crick (1953) showed that DNA has a double helical structure with two polynucleotide chains connected by hydrogen bonds and running in opposite directions (antiparallel). The antiparallel strands of a DNA molecule means that the phosphate groups at the start of two DNA strands are in opposite position (pole).