Which of the following statement(s) is/are false/incorrect? You may select multiple options, if necessary. O Experiments support bidirectional movement of multiple replication forks at eukaryotic chromosomes. O Mg++ ions play important roles during DNA synthesis O Synthesis of DNA is semi-conservative ✔Beta clamp reduces DNA polymerase processivity ✔ DNA polymerase III uses ATP as a source of energy to drive the polymerization reaction forward O Tautomers enhance chances of correct nucleotide incorporation during DNA synthesis
Which of the following statement(s) is/are false/incorrect? You may select multiple options, if necessary. O Experiments support bidirectional movement of multiple replication forks at eukaryotic chromosomes. O Mg++ ions play important roles during DNA synthesis O Synthesis of DNA is semi-conservative ✔Beta clamp reduces DNA polymerase processivity ✔ DNA polymerase III uses ATP as a source of energy to drive the polymerization reaction forward O Tautomers enhance chances of correct nucleotide incorporation during DNA synthesis
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
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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![### Which of the following statement(s) is/are false/incorrect? You may select multiple options, if necessary.
1. [ ] Experiments support bidirectional movement of multiple replication forks at eukaryotic chromosomes.
2. [ ] Mg++ ions play important roles during DNA synthesis.
3. [ ] Synthesis of DNA is semi-conservative.
4. [x] Beta clamp reduces DNA polymerase processivity.
5. [x] DNA polymerase III uses ATP as a source of energy to drive the polymerization reaction forward.
6. [ ] Tautomers enhance chances of correct nucleotide incorporation during DNA synthesis.
**Explanation of Graphs and Diagrams**:
In this item, there are no graphs or diagrams to describe.
### Explanation of Incorrect Statements:
#### Beta Clamp Reduces DNA Polymerase Processivity:
The beta clamp actually increases the processivity of DNA polymerase by tethering the polymerase to the DNA, allowing it to synthesize longer stretches of DNA without dissociating.
#### DNA Polymerase III Uses ATP as a Source of Energy to Drive the Polymerization Reaction Forward:
DNA polymerase III does not use ATP to drive the polymerization reaction. Instead, DNA synthesis is driven by the energy released when the high-energy phosphate bonds of the nucleotide triphosphates (dNTPs) are broken and the nucleotides are added to the growing DNA strand. The beta and gamma phosphates are released as pyrophosphate (PPi).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F67365948-39ab-434a-aacf-cd60e1ade7b5%2Fbd2e5792-ce87-4410-9bd8-0e3642cf6c18%2F1gx1ai_processed.png&w=3840&q=75)
Transcribed Image Text:### Which of the following statement(s) is/are false/incorrect? You may select multiple options, if necessary.
1. [ ] Experiments support bidirectional movement of multiple replication forks at eukaryotic chromosomes.
2. [ ] Mg++ ions play important roles during DNA synthesis.
3. [ ] Synthesis of DNA is semi-conservative.
4. [x] Beta clamp reduces DNA polymerase processivity.
5. [x] DNA polymerase III uses ATP as a source of energy to drive the polymerization reaction forward.
6. [ ] Tautomers enhance chances of correct nucleotide incorporation during DNA synthesis.
**Explanation of Graphs and Diagrams**:
In this item, there are no graphs or diagrams to describe.
### Explanation of Incorrect Statements:
#### Beta Clamp Reduces DNA Polymerase Processivity:
The beta clamp actually increases the processivity of DNA polymerase by tethering the polymerase to the DNA, allowing it to synthesize longer stretches of DNA without dissociating.
#### DNA Polymerase III Uses ATP as a Source of Energy to Drive the Polymerization Reaction Forward:
DNA polymerase III does not use ATP to drive the polymerization reaction. Instead, DNA synthesis is driven by the energy released when the high-energy phosphate bonds of the nucleotide triphosphates (dNTPs) are broken and the nucleotides are added to the growing DNA strand. The beta and gamma phosphates are released as pyrophosphate (PPi).
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