DNA damage caused by ultraviolet light, Biology

Assignment Help:

DNA damage caused by ultraviolet light: 1. Cyclobutane-type pyrimidine dimer is the major photoproduct formed 2. A second product, 6-4 photoproduct, is formed in about 10 % of UV induced pyrimidine dimmers 3. Cyclobutane type dimer can be reversed by a process known as photoreactivation (a) this is carried out by an enzyme known as DNA photolyase (photoreactivating enzyme) (b) significance of photolyase enzyme in humans is questionable 4. DNA photoproducts can also be repaired by excision repair


Related Discussions:- DNA damage caused by ultraviolet light

Define stress factors - etiological risk factors in cancer, Define Stress F...

Define Stress Factors - Etiological Risk Factors in Cancer? Emotions playing a part in malignancy are not a new idea. But these relationships are extremely difficult to measure

Define the public nutrition, Define the Public Nutrition Public nutriti...

Define the Public Nutrition Public nutrition is concerned with improving nutrition in populations in both poor and industrialized countries, linking with continuity and public

Explain first stage of the embryonic development, Q. What is the cell divis...

Q. What is the cell division during the first stage of the embryonic development called? How is this stage characterized? The cell division in the first stage of the embryonic

Interpersonal and behavioural psychotherapy, Individual Psychotherapy: ...

Individual Psychotherapy: It is conducted on one  to one basis.  It is effective when a therapeutic rapport develops between patient and  therapist. The common types of  indiv

Determine the width of attached gingiva at implant site, Width of Attached ...

Width of Attached Gingiva at Implant Site The zone of attached gingiva needs to be intact and of adequate width to protect (by separating) the tissue around the implant. If it

Threatened species - wildlife, Threatened Species - Wildlife Many plan...

Threatened Species - Wildlife Many plant and animal species are threatened by the possibility of extinction. However, the seriousness of the threat varies. For example, a spec

Intermediate filaments - cytoskeletal structures, INTERMEDI A T E FILAME...

INTERMEDI A T E FILAMENTS These are non-living structures. Made up of different types of protein eg. Keratin, synemin, desmin and vimentin. These are divided into four

Which are the 2 main divisions of autonomic nervous system, Question 1....

Question 1. Which are the 3 different processes in the formation of urine? Explain 2. Discuss resting membrane potential and nerve action potential 3. Name the chemical s

Digestion, Adsk question #Minimum 100 words accepted#saliva enzyme

Adsk question #Minimum 100 words accepted#saliva enzyme

What are the biotolerant materials, What are the Biotolerant materials ...

What are the Biotolerant materials Biotolerant materials, are characterized by a thin fibrous tissue interface. The fibrous tissue layer develops as a result of the chemical pr

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd