Explain repressors , Biology

Assignment Help:

Gene repressor proteins which inhibit the transcription of particular genes in eukaryotes also exist. They may act by binding either to control parts within the promoter region near the gene or at sites located a long distance away from the gene, called as silencers.  The repressor protein should inhibit transcription directly. One instance is the mammalian   thyroid   hormone   receptor   that,   in the absence   of   thyroid   hormone   represses   transcription   of   the   goal   genes. Furthermore, other repressors inhibit transcription by blocking activation.  This can be get  in one of several  ways:  by blocking  the DNA  binding  site for an activator  protein, through binding to and masking  the activation  domain of the activator  factor,  or  by  forming  a  non-DNA  binding  complex  with  the  activator protein. Several instance of every mode of action are known.

 


Related Discussions:- Explain repressors

Myocardial protection-open heart surgery, Myocardial Protection :  To a gr...

Myocardial Protection :  To a great extent, the result of cardiac surgery depends on how well the myocardium is protected during cardio pulmonary bypass. Temporary depression of m

How does the Cornea work, How does the Cornea work, I heard that it is like...

How does the Cornea work, I heard that it is like a motor, however i''m not too sure... because a motor is in vehicle and has piston, and the Cornea is in our eyes and... Well does

Explain spoilage by yeasts, Q. Explain Spoilage by yeasts? Yeasts domin...

Q. Explain Spoilage by yeasts? Yeasts dominate in the spoilage of fruit products which contain high acid content due to their ability to tolerate high acid environment. Yeast

Are hormones only proteins, Q. Are hormones only proteins? Some hormone...

Q. Are hormones only proteins? Some hormones are proteins, like glucagon, insulin and ADH others are derived from proteins (modified amino acids) like noradrenaline and adrenal

Class Gastropoda, Class Gastropoda Body asymmetrical, depicts torsion ...

Class Gastropoda Body asymmetrical, depicts torsion or its effects; shell coiled in most, well developed head with radula, large flat foot, gills one or two or with pulmonary

Explain about ecological species concept, Q. Explain about Ecological speci...

Q. Explain about Ecological species concept? The ecological species concept: This identifies a species as a population that occupies a distinct ecological niche, whence its rep

Extended point within pulp chamber-endodontics principles, Extended point w...

Extended point within pulp chamber: Gripping action: -    Steglitz forceps or pin pilers. -    Access cavity flooded with chloroform to dissolve the sealer. -    Grasp the

Explain the liver organ, Explain the Liver organ? The liver is the larg...

Explain the Liver organ? The liver is the largest internal organ in the human body. It lies just below the diaphragm in the upper right area of the abdominal cavity. It is an i

Structure of spermatozoan, STRUCTUR E OF SPERMATOZOAN Structure of spe...

STRUCTUR E OF SPERMATOZOAN Structure of sperm is divided into 3 parts -      (1) Head                  (2) Middle piece             (3) Tail 1 .       HEAD

Name two food additives needed to keep food wholesome, a) Name two food ad...

a) Name two food additives needed to keep food wholesome, and say what they do. b) Name two food additives (or types of additive) which are not necessary for keeping fo

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