Positive Costimulatory Receptors: ICOS

ICOS binds to another member of the growing B7 family, ICOS-ligand (ICOS-L), which is also expressed on a subset of activated APCs.

ICOS plays a key role in maintaining the activity of already differentiated effector and memory T cells.

TLS Online TPP Program

#Id: 9337

#XL - T Zoology

Principal function of all 3 human TGF-β isoforms, TGF-β1, 2, and 3:

Prevent cell proliferation by inducing the synthesis of p15 INK4B

TLS Online TPP Program

#Id: 9284

#XL - Q Biochemistry

O2‐binding plant protein Lb plays an active role in regulating and delivering O2 in the infected cells

Bacterial respiration is the major O2 sink

TLS Online TPP Program

#Id: 5526

#XL - T Zoology

TLS Online TPP Program

#Id: 5501

#XL - T Zoology

Ruderals - Ruderals are adapted to take advantage of habitat disturbance, (High disturbance,  low competition,  low stress tolerance)

Ex - Insect , annual species

TLS Online TPP Program

#Id: 10760

#XL - R Botany

The next internal whorl is the corolla and is composed of petals. corolla may be also united gamopetalous (petals united) or polypetalous (petals free).