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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It is made from 5’
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It is made in the same direction as the leading strand
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It is made by stopping and starting again
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RNA primers help it to be made
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Detailed explanation-1: -The lagging strand is a single DNA strand that, during DNA replication, is replicated in the 5′ – 3′ direction (opposite direction to the replication fork). DNA is added to the lagging strand in discontinuous chunks called ‘okazaki fragments’.
Detailed explanation-2: -Correct answer: Explanation: The only false statement is that DNA replication of the lagging strand is continuous. The leading strand features continuous replication while the lagging stand is initially made up of discontinuous Okazaki fragments, which are sealed later by ligase.
Detailed explanation-3: -Correct answer: The leading strand is read in the 3’-to-5’ direction away from the replication fork, while the lagging strand is read in the 3’-to-5’ direction toward the replication fork.
Detailed explanation-4: -Which of the following differences are incorrect between leading and lagging strands of DNA? Leading strand Lagging strand It does not require DNA Ligase is required DNA ligase for its for joining Okazii growth.