Type III/Type IV secretion systems play a major role in transfer of bacterial Nod factor in plant cell. 

TLS Online TPP Program

#Id: 10763

#XL - R Botany

Androecium

Each anther is usually bilobed and each lobe has two chambers, the pollen-sacs.

The pollen grains are produced in pollen-sacs. A sterile stamen is called staminode

TLS Online TPP Program

#Id: 9339

#XL - T Zoology

TGF-β is synthesized with a, 

250-residue N-terminal prodomain

∼110-residue C-terminal TGF-β domain

TLS Online TPP Program

#Id: 8543

#XL - Q Biochemistry

One drawback from the Eadie–Hofstee approach is that neither ordinate nor abscissa represent independent variables: both are dependent on reaction rate. Thus any experimental error will be present in both axes.

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: 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.