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

Ontogeny, Ontogeny: This is the study of history of an individual. Ontogen...

Ontogeny: This is the study of history of an individual. Ontogeny is also known as ontogenesis and morphogenesis. Ontogeny describes the origin or the development of an organism -

Plasma and its composition, PLASM A - It is slightly alkaline non-l...

PLASM A - It is slightly alkaline non-living intercellular substance which constitutes about 60% part of the blood. It is a pale yellow but transparent and clear fluid.

Explain what is enzymes, Explain what is Enzymes? Enzymes are organic...

Explain what is Enzymes? Enzymes are organic substances that speed up, or catalyze, a chemical reaction. At a given temperature, molecules have varying amounts of energy, and

Mention the role o ribosome in peptide, Mention the role o ribosome's in pe...

Mention the role o ribosome's in peptide -bond formation .How does ATP facilitate it? a) Of springs derived by asexual reproduction are known as clones. Justify giving two R

Explain the interaction of vitamin a with iron, Explain the interaction of ...

Explain the interaction of vitamin A with Iron? Iron: Iron status of an individual correlates with vitamin A. The deficiency of  vitamin A has been found to be associated with

Could she ever have a child with blood type o, a) Indicate the blood types ...

a) Indicate the blood types possible from the mating of a male who is blood type O with a female of blood type AB. b) Could a female with blood type AB ever produce a child with bl

What is exocytosis, Which of the following is true for exocytosis? A. D...

Which of the following is true for exocytosis? A. During exocytosis in skeletal muscle cells, there will be release of calcium ions from intracellular vesicles in the sarcoplas

Explain the nutritional factors that affecting food choice, Explain the Nut...

Explain the Nutritional Factors that affecting food choice? Food choices made based on sound principles of nutrition will be conducive to good health while carelessness about n

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