The plasma proteins are also responsible for 15% of the buffering capacity of the blood because of the weak ionization of their substituent COOH and NH2 groups.

TLS Online TPP Program

#Id: 10083

#Unit 4. Cell Communication and Cell Signaling

The α subunit of each integrin is the primary determinant of its extracellular ligand specificity

TLS Online TPP Program

#Id: 7212

#Unit 5. Developmental Biology

Presentation of nonpeptide antigens derived from pathogens involves the nonclassical class I–like CD1 molecule

TLS Online TPP Program

#Id: 1313

#Unit 4. Cell Communication and Cell Signaling

Two large classes of GTPase switch proteins-

Heterotrimeric G proteins

Monomeric G proteins

TLS Online TPP Program

#Id: 9450

#Unit 4. Cell Communication and Cell Signaling

Receptor hetero-dimerization or hetero-oligomerization 

Other cytokines (interleukins and interferons) bind simultaneously to two or more different cytokine receptors

TLS Online TPP Program

#Id: 6281

#Unit 3. Fundamental Processes

Holoenzyme binds to promoters much more tightly, with an association constant ,1000 times higher on average and a half-life that can be as long as several hours