TLS Online TPP Program

#Id: 8318

#XL - Q Biochemistry

Nucleation phase 

Two G-actin molecules bind relatively weakly to each other, but addition of a third actin monomer to form a trimer makes the entire group more stable, acts as a nucleus for polymerization.

TLS Online TPP Program

#Id: 5487

#XL - T Zoology

Age at first reproduction

Earlier age →  Later age 

Clutch size

Large clutch size → small clutch size

Small size →  Large size

Trade off

TLS Online TPP Program

#Id: 8351

#XL - Q Biochemistry

WASp activation requires two signals (This type of two-signal input, called coincidence detection):

1. regulatory phospholipid PIP2

2. small GTP-binding protein Cdc42

TLS Online TPP Program

#Id: 8862

#XL - T Zoology

In vertebrates, stabilization of cohesins requires the cohesin-associated factor sororin.

TLS Online TPP Program

#Id: 9275

#XL - S Microbiology

NodD proteins interact directly with the signals generated by the plants and activates most conserved Nod ABC genes in bacteria