Maturation promoting factor, Biology

Assignment Help:

• Cyclins accumulate during the G1, S, and G2 phases of the cell cycle.
• By the G2 checkpoint (the red bar in the figure), enough Cyclin is available to form MPF complexes (aggregations of Cdk and Cyclin) which initiate mitosis.

o MPF apparently functions by phosphorylating key proteins in the mitotic sequence.

• Later in mitosis, MPF switches itself off by initiating a process which leads to the destruction of Cyclin

o Cdk, the non-Cyclin part of MPF, persists in the cell as an inactive form until it associates with new Cyclin molecules synthesized during Interphase of the next round of the cell cycle. 


Related Discussions:- Maturation promoting factor

How different are the heart chambers, Concerning the thickness of their wal...

Concerning the thickness of their walls how different are the heart chambers? The ventricle walls are thicker than the atrium walls as ventricles are structures responsible for

Polyinvagination or ingression, PO L YIN V AGIN A TIO N OR INGRESSIO...

PO L YIN V AGIN A TIO N OR INGRESSION - This is found in discoblastula and periblastula. In it the blastomeres of the blastoderm divide and form new blastomeres wh

Investigation of aortic regurgitation by exercise testing, Q. Investigation...

Q. Investigation of aortic regurgitation by Exercise Testing? It is helpful in assessing functional capacity, symptom status and hemodynamic effects in patients with severe AR

Which are the germ layers present in cnidarians, Which are the germ layers ...

Which are the germ layers present in cnidarians? Which tissues of the animal do they originate? These beings there ectoderm and endoderm, two germ layers. Animals with only two

Explain meningococcal disease, Meningococcal disease  Meningococcal vac...

Meningococcal disease  Meningococcal vaccine is recommended for adults and children >2 years old who are traveling to areas where epidemics are occurring, or to the "meningitis

Describe the concept of soil testing, Describe the concept of soil testing ...

Describe the concept of soil testing Different grades of complex and mixed fertilizers are being marketed to suit the soil and crops of a region. The recommendations are made o

Explain about blood pressure, Explain about Blood pressure Blood press...

Explain about Blood pressure Blood pressure is explained as the force exerted by the blood against the walls of the arteries. Blood pressure (BP) can be described as the fo

Describe chemical changes in fruits and vegetables, Describe Chemical chang...

Describe Chemical changes in fruits and vegetables The detailed chemical changes that occur when fruits and vegetables are boiled in water or steamed, canned, dried or frozen,

What are the antigens, What are the antigens and the respective antibodies ...

What are the antigens and the respective antibodies of the ABO blood group system? The ABO blood system contains the erythrocytic antigens A and B that can be attacked by the a

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