All G protein–coupled receptors contain seven transmembrane α-helical regions (H1–H7). In many GPCRs a short α helix H8 lies parallel to the membrane surface, and a covalently bound palmitic acid group

TLS Online TPP Program

#Id: 8405

#XL - Q Biochemistry

Muscle contraction depends on two processes that consume enormous amounts of ATP: 

1. Filament sliding, driven by the ATPase of the myosin

2. Ca2+ pumping, driven by the Ca2+ ATPase

TLS Online TPP Program

#Id: 9345

#XL - T Zoology

TGF-β activation

By cytoskeletal force transmitted by integrins

TLS Online TPP Program

#Id: 8885

#XL - T Zoology

TLS Online TPP Program

#Id: 10609

#XL - R Botany

Heterosporous two types of sporophylls, called- 

megasporophylls-  spores that develop into Female gametophytes

microsporophylls-  spores that develop into Male gametophytes

TLS Online TPP Program

#Id: 9396

#XL - T Zoology

Classical condition occur when behavior  is modified (conditioned) by pairing of two stimuli