Class II MHC glycoproteins expressed predominantly on pAPCs, where they primarily present exogenous antigenic peptides to CD4+ T cells.

TLS Online TPP Program

#Id: 8556

#XL - Q Biochemistry

The simplest forms of competitive inhibition considered are sometimes termed linear competitive inhibition because both primary and secondary plots are linear. 

TLS Online TPP Program

#Id: 326

#XL - R Botany

When blood glucose rises above 5 mM, hexokinase IV activity increases, but hexokinase I is already operating near Vmax and cannot respond to an increase in glucose concentration. 

TLS Online TPP Program

#Id: 9855

#XL - R Botany

In Mougeotia, the photoreceptors regulating chloroplast movement consist of a fusion between phytochrome and a phototropin known as neochrome, and show typical bilin binding as well as red/far-red reversibility.

TLS Online TPP Program

#Id: 8207

#XL - Q Biochemistry

Anthocyanin pigments stored in vacuoles

Color the petals of many flowers so as to attract pollinating insects

TLS Online TPP Program

#Id: 9089

#XL - T Zoology

ADP-ribosylation blocks the GTPase activity of Gαs and renders Gαs permanently active.