The correct order of these events during DNA replication, with the earliest event first, is
A - VCE - SSCE Biology - Question 12 - 2004 - Paper 1
Question 12
The correct order of these events during DNA replication, with the earliest event first, is
A. 1, 2, 3, 4
B. 1, 4, 3, 2
C. 4, 2, 1, 3
D. 4, 1, 2, 3
Worked Solution & Example Answer:The correct order of these events during DNA replication, with the earliest event first, is
A - VCE - SSCE Biology - Question 12 - 2004 - Paper 1
Step 1
Identify the Events in DNA Replication
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Answer
The process of DNA replication involves several key events, typically characterized as:
Unwinding of the DNA double helix
Primer synthesis
DNA strand elongation
Ligation of Okazaki fragments (in the case of lagging strand synthesis).
Step 2
Determine the Correct Order
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Answer
To determine the earliest event first, the correct sequence is:
1: Unwinding (1)
2: Primer synthesis (2)
3: DNA strand elongation (3)
4: Ligation (4).
Step 3
Select the Appropriate Answer
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Answer
Thus, the correct order of events during DNA replication is: 4, 1, 2, 3. Therefore, the correct option is D.
