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

Differentiate between adult and infant botulism, Q. Differentiate between a...

Q. Differentiate between adult and infant botulism? • Adult Botulism is prevalent amongst adults whereas Infant Botulism is prevalent in infants of less than one year of age.

Explain the storage of vitamin e, Explain the Storage of Vitamin E? Vi...

Explain the Storage of Vitamin E? Vitamin E is mainly stored in muscles and adipose tissue. Vitamin E content of erythrocytes is about 20 percent of that in plasma and there i

Is hemoglobin and myoglobin are heterotetramers, Which of the following sta...

Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements. 1. By itself, heme is not a good oxygen carrier. It must be

Can you show downsloping st-segment, Q. Can you show Downsloping ST-Segment...

Q. Can you show Downsloping ST-Segment? The long term follow-up information suggests that patients whose ST depression evolves to downsloping have more severe disease than tho

What is posterior aneurysm? , What is  Posterior Aneurysm? The te...

What is  Posterior Aneurysm? The technique of Posterior Aneurysm operation is the same. Care must be taken to avoid injury to the posterior papillary muscle and poster

Resource use of biodiversity, Biodiversity is multiple resource based offer...

Biodiversity is multiple resource based offering us a range of products, materials and services. Our survival and well being of man-kind is directly dependent on biodiversity. Biod

Evaluation of heart failure, The initial evaluation of new onset heart fail...

The initial evaluation of new onset heart failure should include an electrocardiogram, chest radiograph, and B-type natriuretic peptide assay. The cardiac rhythm may be normal sinu

Impact of biotechnological applications on gene pool, Human disorders are i...

Human disorders are increasingly being diagnosed and treated using biotechnological applications such as: Genetic testing, containing testing of adults by to pre-birth diag

Advantages of implant supported maxillo-facial prosthesis, Q. Discuss the a...

Q. Discuss the advantages of implant supported maxillo-facial prosthesis. Maxillofacial Prosthodontics involves the prosthetic rehabilitation of patients with congenital or acq

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