Given the diagram of the replication fork below, indicate the chemical group (5'-P, 3'-P, 3'-OH or 5'-OH) most likely to be found at the sites indicated below by the dots labeled A, B, and C.
Given the diagram of the replication fork below, indicate the chemical group (5'-P, 3'-P, 3'-OH or 5'-OH) most likely to be found at the sites indicated below by the dots labeled A, B, and C.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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In the diagram, the replication fork is illustrated with three highlighted positions labeled A, B, and C. Here is a step-by-step explanation of the likely chemical groups present at these positions:
- **Position labeled A:** Based on standard DNA replication mechanisms, position A likely represents the terminal phosphate group at the end of the DNA strand.
- **Position labeled B:** This site is within the replication fork where new nucleotides are being added.
- **Position labeled C:** This position is typically found at the growing end of the new DNA strand, likely indicative of a hydroxyl group.
Below the diagram, there are dropdown selections for each labeled position to choose the chemical group that fits the explanation above.
1. The dropdown for **position labeled A** contains the following options:
- 3’-OH
- 3’-P
- 5’-OH
- 5’-P
2. The dropdown for **position labeled B** contains the same options:
- 3’-OH
- 3’-P
- 5’-OH
- 5’-P
3. The dropdown for **position labeled C** also contains similar options:
- 3’-OH
- 3’-P
- 5’-OH
- 5’-P
Use this knowledge to correctly identify the chemical groups likely to be found at the respective positions in the DNA replication fork diagram.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2a42a7f4-7147-4407-ae0e-5b84a734bd0d%2F8ec32163-a786-4185-b387-3b8e9590856d%2Fsfvqvt.jpeg&w=3840&q=75)
Transcribed Image Text:### DNA Replication Fork Analysis
#### Given the diagram of the replication fork below,
indicate the chemical group (5’-P, 3’-P, 3’-OH or 5’-OH) most likely to be found at the sites indicated below by the dots labeled A, B, and C.
In the diagram, the replication fork is illustrated with three highlighted positions labeled A, B, and C. Here is a step-by-step explanation of the likely chemical groups present at these positions:
- **Position labeled A:** Based on standard DNA replication mechanisms, position A likely represents the terminal phosphate group at the end of the DNA strand.
- **Position labeled B:** This site is within the replication fork where new nucleotides are being added.
- **Position labeled C:** This position is typically found at the growing end of the new DNA strand, likely indicative of a hydroxyl group.
Below the diagram, there are dropdown selections for each labeled position to choose the chemical group that fits the explanation above.
1. The dropdown for **position labeled A** contains the following options:
- 3’-OH
- 3’-P
- 5’-OH
- 5’-P
2. The dropdown for **position labeled B** contains the same options:
- 3’-OH
- 3’-P
- 5’-OH
- 5’-P
3. The dropdown for **position labeled C** also contains similar options:
- 3’-OH
- 3’-P
- 5’-OH
- 5’-P
Use this knowledge to correctly identify the chemical groups likely to be found at the respective positions in the DNA replication fork diagram.
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