Homework Help is Here – Start Your Trial Now!
Science
Biology
Photoreactivation - Covalent bonds 5' Ġ Ċ Ġ Å ET Ġ ÀČ Ġ саст AA стас 3' 3' Thymine dimer distorts the DNA molecule. iil 5' 5' Ġ Ċ GÅŤİ Ġ ÅČ Ġ CG CTAACTGC 3' An enzyme uses visible light to break the covalent bond of the thymine dimer, restoring the DNA to its original state. 3' Excision repair - Covalent bonds 5' Ġ C G Å TEŤ ĠÅ C Ġ сасT AA стас 3' LLI TI 3' Thymine dimer distorts the DNA molecule. i l5' Cut Cut An enzyme removes the damaged section by cutting the DNA backbone on either side of the 5' 3' CG CTAA CTGC 3' 1 5' thymine dimer. 5' GC GATT GAC G CGCTAA CTGC !TT 3' The combined actions of DNA polymerase and DNA ligase fill in and seal the gap. FIGURE 8.12 Repair of Thymine Dimers In photoreactivation, an enzyme uses the energy of light to break the covalent bonds. In excision repair, the section containing the dimer is replaced. >

Photoreactivation - Covalent bonds 5' Ġ Ċ Ġ Å ET Ġ ÀČ Ġ саст AA стас 3' 3' Thymine dimer distorts the DNA molecule. iil 5' 5' Ġ Ċ GÅŤİ Ġ ÅČ Ġ CG CTAACTGC 3' An enzyme uses visible light to break the covalent bond of the thymine dimer, restoring the DNA to its original state. 3' Excision repair - Covalent bonds 5' Ġ C G Å TEŤ ĠÅ C Ġ сасT AA стас 3' LLI TI 3' Thymine dimer distorts the DNA molecule. i l5' Cut Cut An enzyme removes the damaged section by cutting the DNA backbone on either side of the 5' 3' CG CTAA CTGC 3' 1 5' thymine dimer. 5' GC GATT GAC G CGCTAA CTGC !TT 3' The combined actions of DNA polymerase and DNA ligase fill in and seal the gap. FIGURE 8.12 Repair of Thymine Dimers In photoreactivation, an enzyme uses the energy of light to break the covalent bonds. In excision repair, the section containing the dimer is replaced. >

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,...
See similar textbooks
icon
Related questions
Question

How is the mechanism of excision repair similar to that of mismatch repair?

Photoreactivation - Covalent bonds 5' Ġ Ċ Ġ Å ET Ġ ÀČ Ġ саст AA стас 3' 3' Thymine dimer distorts the DNA molecule. iil 5' 5' Ġ Ċ GÅŤİ Ġ ÅČ Ġ CG CTAACTGC 3' An enzyme uses visible light to break the covalent bond of the thymine dimer, restoring the DNA to its original state. 3' Excision repair - Covalent bonds 5' Ġ C G Å TEŤ ĠÅ C Ġ сасT AA стас 3' LLI TI 3' Thymine dimer distorts the DNA molecule. i l5' Cut Cut An enzyme removes the damaged section by cutting the DNA backbone on either side of the 5' 3' CG CTAA CTGC 3' 1 5' thymine dimer. 5' GC GATT GAC G CGCTAA CTGC !TT 3' The combined actions of DNA polymerase and DNA ligase fill in and seal the gap. FIGURE 8.12 Repair of Thymine Dimers In photoreactivation, an enzyme uses the energy of light to break the covalent bonds. In excision repair, the section containing the dimer is replaced. >
Transcribed Image Text:Photoreactivation - Covalent bonds 5' Ġ Ċ Ġ Å ET Ġ ÀČ Ġ саст AA стас 3' 3' Thymine dimer distorts the DNA molecule. iil 5' 5' Ġ Ċ GÅŤİ Ġ ÅČ Ġ CG CTAACTGC 3' An enzyme uses visible light to break the covalent bond of the thymine dimer, restoring the DNA to its original state. 3' Excision repair - Covalent bonds 5' Ġ C G Å TEŤ ĠÅ C Ġ сасT AA стас 3' LLI TI 3' Thymine dimer distorts the DNA molecule. i l5' Cut Cut An enzyme removes the damaged section by cutting the DNA backbone on either side of the 5' 3' CG CTAA CTGC 3' 1 5' thymine dimer. 5' GC GATT GAC G CGCTAA CTGC !TT 3' The combined actions of DNA polymerase and DNA ligase fill in and seal the gap. FIGURE 8.12 Repair of Thymine Dimers In photoreactivation, an enzyme uses the energy of light to break the covalent bonds. In excision repair, the section containing the dimer is replaced. >
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Tissue regeneration & repair
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:
9780134580999
Author:
Elaine N. Marieb, Katja N. Hoehn
Publisher:
PEARSON
Biology 2e
Biology 2e
Biology
ISBN:
9781947172517
Author:
Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:
OpenStax
Anatomy & Physiology
Anatomy & Physiology
Biology
ISBN:
9781259398629
Author:
McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:
Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:
9780815344322
Author:
Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:
W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:
9781260159363
Author:
Martin, Terry R., Prentice-craver, Cynthia
Publisher:
McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Inquiry Into Life (16th Edition)
Biology
ISBN:
9781260231700
Author:
Sylvia S. Mader, Michael Windelspecht
Publisher:
McGraw Hill Education
SEE MORE TEXTBOOKS