What is nuclear proteins , Biology

Assignment Help:

The nucleus has an inner and an outer membrane and is perforated through 3000-4000 nuclear pores. Each pore having of a nuclear pore complex of more than 100 several proteins organized in a hexagonal array.  Whereas little  molecules  can  pass  by  the  pore  by  free  diffusion and  large  proteins entering  the nucleus need a nuclear localization  signal. That is four to eight amino  acids long and is rich in the positively  charged  amino  acids arginine and lysine as well as commonly  having  proline,  and is situated  internally  within the  polypeptide   chain.  The protein is taken by the pore in an ATP- requires step and enters the nucleus without cleavage of the localization signal.

1810_22.png

                         Figure:  Uptake of proteins into the mitochondrial matrix


Related Discussions:- What is nuclear proteins

Excretion, what is the excretory organ of lizard

what is the excretory organ of lizard

What is metabolomics, Together, genomics, proteomics and transcriptomics ar...

Together, genomics, proteomics and transcriptomics are influential approaches to enhancing our understanding not only of how cells function normally but also what the key modificat

Define non-dietary treatment of burns, Define Non-Dietary Treatment of Burn...

Define Non-Dietary Treatment of Burns? While good nutritional care should be provided to the patient as soon as feasible it is equally imperative and at times critical to provi

What is the vector of chagas disease, Q. What is the vector of Chagas' dise...

Q. What is the vector of Chagas' disease? How is the disease transmitted? The vector of the Chagas' disease is its intermediate host, a triatomine bug. The key species is Triat

Suicide cells, significant role of suicide cells?

significant role of suicide cells?

Explain future challenges of connecting models and data, Explain Future cha...

Explain Future challenges of connecting models and data? Since biological systems are complex, models of biological systems are also complex, and matching models and data is a

Transported soils-types of soils, Transported Soils These soils are for...

Transported Soils These soils are formed from the weathered material which is transported and deposited away from the site of origin. Depending upon the nature of the transport

Observation of the anatomical structures, This assignment was done, sent in...

This assignment was done, sent in marked then sent back to me to be resubmitted. Comments were grammar & structure to be reviewed so could you please proof read & make it more acad

Pathophysiology of constrictive pericarditis, Q. Pathophysiology of constri...

Q. Pathophysiology of constrictive pericarditis? Ans. The thickened and rigid pericardium causes constriction of the heart and restricts ventricular dialatation and diasto

What is the health monitoring of infant, Explain the Health Monitoring of I...

Explain the Health Monitoring of Infant? Infections are a major cause of malnutrition in children. For many of the preventable early childhood diseases, vaccines are now avail

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