Monomeric G proteins, including Ras and various Ras-like proteins, do not directly bind to receptors but act as intermediate proteins in signal transduction pathways.

TLS Online TPP Program

#Id: 10109

#XL - T Zoology

Tight junctions prevent the diffusion of: 

Macromolecules

Small water-soluble molecules

Ions

Membrane proteins 

Glycolipids

TLS Online TPP Program

#Id: 9298

#XL - R Botany

A.  Chloroplasts

TLS Online TPP Program

#Id: 8636

#XL - R Botany

TLS Online TPP Program

#Id: 10330

#XL - Q Biochemistry

The idea behind CARs was to engineer the T-cell receptor to trigger activation of ZAP70 in response to the presence of a tumor-specific antigen rather than the MHC peptide complex. 

TLS Online TPP Program

#Id: 9533

#XL - R Botany

Genomes of many plant pathogenic bacteria are target to search a cluster of genes that encode the type 3 secretion system (T3SS)