During DNA replication, which strand is synthesized continuously?

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Question: During DNA replication, which strand is synthesized continuously?

Options:

Correct Answer: Leading strand

Solution:

The leading strand is synthesized continuously in the direction of the replication fork.

During DNA replication, which strand is synthesized continuously?

During DNA replication, which strand is synthesized continuously?

Step 1: Understand that DNA replication involves two strands of DNA.
Step 2: Know that the two strands are called the leading strand and the lagging strand.
Step 3: The leading strand is the one that is made continuously.
Step 4: The leading strand is synthesized in the same direction as the replication fork opens.
Step 5: This means that as the DNA unwinds, the leading strand is built without interruption.

Leading Strand Synthesis – The leading strand is synthesized continuously in the same direction as the replication fork, allowing for a smooth and uninterrupted process.
Lagging Strand Synthesis – The lagging strand is synthesized discontinuously in short segments called Okazaki fragments, which are later joined together.
Direction of Synthesis – DNA strands are synthesized in the 5' to 3' direction, which is crucial for understanding the leading and lagging strand dynamics.