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

Explain about low blood sugar, Q. Explain about Low blood sugar? Low bl...

Q. Explain about Low blood sugar? Low blood sugar can also be caused by accidentally taking too much of insulin. When this occurs, more insulin is present in the body than nee

What percentage of the offspring will be tall, Tall (T) plants are dominant...

Tall (T) plants are dominant and short (t) plants are recessive. Two heterozygous tall plants are crossed. What percentage of the offspring will be tall?

Noise pollution, Sound is a main mean of communication and entertainment an...

Sound is a main mean of communication and entertainment and is also very effective alarm system for some animal. A loud and unwanted or unpleasant sound causes discomfort and is ca

Agro industrial-chopping and grinding, Chopping/grinding These are the ...

Chopping/grinding These are the processes by which the particle size of cereals, oil cakes and roughages including green fodders and crop residues is reduced employing various

What is ribose, What is ribose Browning in canned fish is commonly asso...

What is ribose Browning in canned fish is commonly associated with ribose. Undesirable colour changes in shellfish during canning often involve metal  ions, for example, the bl

Nucleoplasm, NUCLEOPLAS M OR KARYOPLASM OR KARYOLYMPH OR NUCLEAR SAP N...

NUCLEOPLAS M OR KARYOPLASM OR KARYOLYMPH OR NUCLEAR SAP Nucleoplasm and cytoplasm name proposed by E. Strassburger . Chemical composition of nucleoplasm given by Kossel . Co

Define about the paper electrophoresis, Define about the Paper electrophore...

Define about the Paper electrophoresis? In paper electrophoresis the sample is applied to a point on a strip of filter paper or cellulose acetate moistened with buffer solution

Microscopy, describe the importance,principles,techniques and uses of micro...

describe the importance,principles,techniques and uses of microscopy

Symmetry system characterized in echinoderms, Q. How are the nervous and th...

Q. How are the nervous and the symmetry system characterized in echinoderms? Adult echinoderms, along with cnidarians, are the animals that present radial symmetry that is thei

Making leaf collections, Making leaf collections Collect young leaves o...

Making leaf collections Collect young leaves of as many varieties of plants as possible. Place various layers of news- paper or blotting paper on a firm, smooth board. Next org

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