Mismatch and recombinational repair, Biology

Assignment Help:

Q. Mismatch and Recombinational repair?

Mismatch repair:

1. Mismatches can take place when DNA polymerase inserts wrong nucleotide during replication 2. Mismatch repair is"coupled" to replication

Recombinational repair:

1. Takes place during DNA replication 2. Major steps: (a) DNA polymerase skips over damaged DNA leaving a gap opposite the lesion (b) Undamaged parental strand recombines into the gap (this is facilitated by recA protein in E. coli) (c) the new gap in parental strand is filled by DNA polymerase and ligase.


Related Discussions:- Mismatch and recombinational repair

Food chain, Food chain is the simplest representation of energy flow in th...

Food chain is the simplest representation of energy flow in the community. At the base is energy stored in the plants, which are eaten by the small organisms, which in turn are ea

Determine the procedure of armamentarium, Determine the Procedure of Armame...

Determine the Procedure of Armamentarium 1. Make an impression of the mandibular ridge and pour the cast in type 3 gypsum 2. Apply separating medium and allow it to dry 3

Define observation for benedict test - carbohydrates, Define Observation fo...

Define Observation for Benedict Test - Carbohydrates? An insoluble reddish brown precipitate of cuprous oxide will be obtained. This is similar to Fehling's test. The reddis

Episode of diarrhoea, An episode of diarrhoea can be acute (recent origin) ...

An episode of diarrhoea can be acute (recent origin) or chronic (extended duration and repeated episodes) in nature. You may recall reading in the Food Microbiology ans Safety Cour

Define protein requirements for physical fitness, Define Protein Requiremen...

Define Protein Requirements for physical fitness? Proteins provide energy to the body. Since exercise may increase an athlete's need for protein, depending on the type and freq

Changes in chromosome number, Aneuploidy : One or inore chron~osomes of a n...

Aneuploidy : One or inore chron~osomes of a normal set nlay bc lacking or present in excess. The term riullison~y refers to absence of both the chromosomes of a pair. Monosomy, tri

Define requirements of vitamin a for infants, Define requirements of Vitami...

Define requirements of Vitamin A for infants? As for vitamin A deficiency, requirement of vitamin A is the most easy to meet as it is abundantly present in green and yellow veg

Excretion, How many kidney in man?

How many kidney in man?

Catalogue of larval forms in various animal groups, Catalogue of Larval For...

Catalogue of Larval Forms in Various Animal Groups The larval stages and types found in different groups are many. Each larval type has a different structure and is known by a

Concept mapping, Mrs. Jackson is a 76 year old woman living in a skilled nu...

Mrs. Jackson is a 76 year old woman living in a skilled nursing facility. She has Hx: CVA with left-sided weakness, incontinent of bowel and bladder, PEG tube, GERD, HTN, Dementia,

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