Glycine at pH 2.34, where there is an equal mixture of

  the average or net positive charge is 0.5 or +1/2

TLS Online TPP Program

#Id: 8648

#XL - T Zoology

During exit from mitosis and G1, 

Cdh1 is de-phosphorylated and APC/Ccdh1 is active.

TLS Online TPP Program

#Id: 8649

#XL - T Zoology

During S phase and mitosis, 

Cdh1 is phosphorylated, Cdh1 dissociates from APC/C, and APC/C becomes inactive.

TLS Online TPP Program

#Id: 8650

#XL - T Zoology

G1/S phase CDKs phosphorylate Cdh1 at the 

G1-S phase transition

TLS Online TPP Program

#Id: 8651

#XL - T Zoology

S phase cyclin-CDK accumulates in late G1 , they are immediately inactivated by binding of a CKI called Sic1

TLS Online TPP Program

#Id: 8652

#XL - T Zoology

TLS Online TPP Program

#Id: 8653

#XL - T Zoology

Degradation of Sic1 is induced by its phosphorylation by G1/S phase CDKs.