Explain pyruvate kinase, Biology

Assignment Help:

Pyruvate kinase catalyzes the third irreversible move in glycolysis.  It is activated by fructose 1, 6-bisphosphate.  The ATP and amino acid alanine allosterically inhibit the enzyme so which glycolysis slows when supplies of biosynthetic precursors and ATP (indicated by the levels of Ala) are already sufficiently high. Additionally, in a control similar to that for PFK, when the blood glucose concentration is low, glucagon is stimulates and released phosphorylation of the enzyme by a cAMP cascade. This covalent modification inhibits the enzyme so in which glycolysis slows down in times of low blood glucose levels.

 


Related Discussions:- Explain pyruvate kinase

Signify asexual and how it is formed, Signify Asexual and how it is formed?...

Signify Asexual and how it is formed? Organisms which do not reproduce by recombination of genetic material contained in gametes. There is not any combination of a haploid sper

Air and Noise Pollution, Photochemical smog results from automobile polluta...

Photochemical smog results from automobile pollutants reacting with what?

What is archaebacteria, What is Archaebacteria ? Archaebacteria is a re...

What is Archaebacteria ? Archaebacteria is a relatively new grouping that was created in the light of relatively recent biochemical and electron microscopic evidence. These fin

Vital dye staining, Vital Dye Staining In this type of method, a piec...

Vital Dye Staining In this type of method, a piece of agar or cellophane soaked in the solution of a vital dye (Neutral Red, Nile Blue Sulphate, and Bismarck Brown etc.) is a

Explain uses of modified starches in food, Uses of modified starches in foo...

Uses of modified starches in food and confectionery industries Visit a grocery shop and look out for products such as the instant desserts, jelly beans, salad dressings, tomato

Skin., What is the epidermis..

What is the epidermis..

Explain the term- ecology, What is Ecology? Ecology is the field of Bio...

What is Ecology? Ecology is the field of Biology that studies the relationship among living beings and among living beings and the environment.

Determine the principles of bcc, Determine the Principles of BCC BCC ...

Determine the Principles of BCC BCC should be integrated with program goals from the starting. BCC is a necessary part of diabetes prevention, care and support programs, and

Genetics , write about complementary genes

write about complementary genes

Explain autoxidation, Autoxidation It is generally agreed that "autoxid...

Autoxidation It is generally agreed that "autoxidation", that is, the reaction with molecular oxygen via a self - catalytic mechanism, is the main reaction involved  in oxidati

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