Lysine acetylation & Detyrosylation are found only on α-tubulin and are absent from β-tubulin.

TLS Online TPP Program

#Id: 10302

#Section 2: General Biology

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: 8848

#Section 3: Genetics, Cellular and Molecular Biology

TLS Online TPP Program

#Id: 8203

#Section 3: Genetics, Cellular and Molecular Biology

An H+ ATPase in the membrane pumps H+ into the lysosome, maintaining its lumen at an acidic pH.

TLS Online TPP Program

#Id: 8141

#Section 3: Genetics, Cellular and Molecular Biology

Anterograde transport through the golgi occurs by cisternal maturation

TLS Online TPP Program

#Id: 8150

#Section 3: Genetics, Cellular and Molecular Biology

Sar1 is the only GTPase switch protein activated at the ER membrane