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In E. coli, Base excision repair (BER) handles non-bulky lesions (e.g., deamination, oxidation) and nucleotide excision repair (NER) handles bulky lesions (e.g., Py dimers). Is this statement true or false? O True False

In E. coli, Base excision repair (BER) handles non-bulky lesions (e.g., deamination, oxidation) and nucleotide excision repair (NER) handles bulky lesions (e.g., Py dimers). Is this statement true or false? O True False

Human Anatomy & Physiology (11th Edition)
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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### DNA Repair Mechanisms in E. coli **Base Excision Repair (BER):** This mechanism is responsible for handling non-bulky lesions in the DNA. Non-bulky lesions include issues like deamination and oxidation, which are relatively minor distortions to the DNA structure. **Nucleotide Excision Repair (NER):** This system repairs bulky lesions in the DNA. Bulky lesions, such as pyrimidine (Py) dimers, cause significant distortion of the DNA helix and need more complex repair mechanisms. #### Interactive Quiz **Question:** In *E. coli*, Base excision repair (BER) handles **non-bulky** lesions (e.g., deamination, oxidation) and nucleotide excision repair (NER) handles **bulky** lesions (e.g., Py dimers). **Is this statement true or false?** - ○ True - ○ False
Transcribed Image Text:### DNA Repair Mechanisms in E. coli **Base Excision Repair (BER):** This mechanism is responsible for handling non-bulky lesions in the DNA. Non-bulky lesions include issues like deamination and oxidation, which are relatively minor distortions to the DNA structure. **Nucleotide Excision Repair (NER):** This system repairs bulky lesions in the DNA. Bulky lesions, such as pyrimidine (Py) dimers, cause significant distortion of the DNA helix and need more complex repair mechanisms. #### Interactive Quiz **Question:** In *E. coli*, Base excision repair (BER) handles **non-bulky** lesions (e.g., deamination, oxidation) and nucleotide excision repair (NER) handles **bulky** lesions (e.g., Py dimers). **Is this statement true or false?** - ○ True - ○ False
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