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 three main steps for a good study of genetic tree, What are the thr...

What are the three main steps for a good study of a genetic family tree? Step 1: to determine whether the studied phenotypical form has a dominant or recessive pattern. Step

Lyme disease, Lyme disease It is a metazoonoses caused by a spirochaete, B...

Lyme disease It is a metazoonoses caused by a spirochaete, Borrelia burgdorferi. The disease based on the specific symptoms, is also known as erythema migrans (ECM) or lyme  arthr

Nervous system - spinal cord, SPINAL CORD (MYELON) It is part of CNS. 4...

SPINAL CORD (MYELON) It is part of CNS. 45 cm long (in woman 43 cm) & weight 35 gms. Origi n from lower part of medulla oblongeta. Shape - Long cylindrical,

Determine about the nervous tissues, Determine about the nervous tissues ...

Determine about the nervous tissues The nervous tissues throughout the body, including the visual nervous system, are continuously active. Electrical reactions can only be indu

How many progeny flies are expected, How many progeny flies are expected to...

How many progeny flies are expected to have full wings and gray bodies?

Formation of lactate and its consumption, Formation of  lactate and  its ...

Formation of  lactate and  its consumption Formation of  lactate and  its consumption : If anaerobic conctitions prevail, the reoxidation  of NADH  through the respiratory cha

What are the three main signs of diabetes, What are the three main signs of...

What are the three main signs of diabetes? The three main signs of diabetes mellitus are called as the diabetic triad: polyuria, polydipsia and polyphagia. Polyuria is the e

Prevention of infection in icu unit, Prevention of Infection 1. Stri...

Prevention of Infection 1. Strict asepsis practiced in ICU.  2. All the invasive lines are covered with sterile-drape.  3. Antibiotics-broad-spectrum ones are adm

How do the golgi apparatus act, Q. How do the Golgi apparatus act and the r...

Q. How do the Golgi apparatus act and the rough endoplasmic reticulum in the production and releasing of proteins? The rough endoplasmic reticulum has in its outer membrane man

Assume complete absorption, How many pints (473 ml) of Fat Tire amber ale c...

How many pints (473 ml) of Fat Tire amber ale can an 80 kg person drink in Arizona before reaching the blood alcohol limit? Fat Tire's ethanol concentration of 5.3% (v/v). Assume c

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