Prodomain prevents the latent TGF-β 

from binding to a cell-surface receptor.

TLS Online TPP Program

#Id: 8101

#XL - T Zoology

In cardiolipin, two phosphatidic acids share a single glycerol (R1 and R2 are fatty acyl groups).

TLS Online TPP Program

#Id: 8098

#XL - T Zoology

The surfaces of the cells that form the alveoli (small air spaces of the lung) are coated with surfactant, which decreases the alveolar surface tension. 

Lung surfactant contains 80 to 90% phospholipid by weight, and 70 to 80% of the phospholipid is phosphatidylcholine, mostly the dipalmitoyl species.

TLS Online TPP Program

#Id: 9693

#XL - T Zoology

Active PKB, phosphorylates

and inhibits the GTP→GDP hydrolysis activity of two GAP

proteins - AS160 and RGC

TLS Online TPP Program

#Id: 10013

#XL - T Zoology

In the absence of Hh,

Ptc inhibits Smoothened and then degraded in proteasomes

TLS Online TPP Program

#Id: 9869

#XL - R Botany

UVR8 lacks a prosthetic chromophore