THE MOLECULAR BASIS OF INHERITANCE
DNA REPLICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the strands move in opposite directions
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the strands move in the same direction
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they crisscross each other
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Detailed explanation-1: -Correct Answer: C. Explanation: Antiparallel strands of a DNA molecule means that the phosphate groups at the start of two DNA strands are in opposite position (pole).
Detailed explanation-2: -In a DNA double helix, the strands run in opposite directions to permit base pairing between them, which is essential for replication or transcription of the encoded information.
Detailed explanation-3: -In biochemistry, two biopolymers are antiparallel if they run parallel to each other but with opposite directionality (alignments). An example is the two complementary strands of a DNA double helix, which run in opposite directions alongside each other.
Detailed explanation-4: -Due to the base pairing, the DNA strands are complementary to each other, run in opposite directions, and are called antiparallel strands.
Detailed explanation-5: -The strands of a DNA double helix are said to be “antiparallel” because the have the same chemical structure, but are opposite in direction.