Signal sequences

contain one or more positively charged amino acids adjacent to a continuous stretch of 6–12 hydrophobic residues (known as the hydrophobic core)

TLS Online TPP Program

#Id: 8921

#XL - T Zoology

At the same time, Plk1 phosphorylates the Rho-GAP component, to form an active Centralspindlin-Ect2 complex. 

TLS Online TPP Program

#Id: 8922

#XL - T Zoology

Centralspindlin-Ect2 complex catalyzes activation of RhoA, leading to cleavage furrow formation and division of the cytoplasm to form two completely separate cells.

TLS Online TPP Program

#Id: 8923

#XL - T Zoology

Surveillance mechanisms known as checkpoint pathways responsible for the extraordinarily high fidelity of cell division, ensuring that each daughter cell receives the correct number of accurately replicated chromosomes

TLS Online TPP Program

#Id: 8924

#XL - T Zoology

DNA damage response system

halts cell cycle progression and

recruits DNA repair machinery

when DNA is compromised

TLS Online TPP Program

#Id: 8925

#XL - T Zoology

The protein kinases DNA-PK, ATM, and ATR are activated at sites of damaged DNA

TLS Online TPP Program

#Id: 8926

#XL - T Zoology

ATR activated by single-stranded DNA breaks.