GTP-binding site on the β-subunit is at the surface of the dimer and GTP bound by the β-subunit can be hydrolyzed.

TLS Online TPP Program

#Id: 1412

#Unit 4. Cell Communication and Cell Signaling

In vertebrate smooth muscle, phosphorylation of the myosin regulatory light chain activates contraction in Ca2+ dependent manner.

TLS Online TPP Program

#Id: 1220

#Unit 7. System Physiology – Animal

When extracellular Ca2+ is decreased decreased Ca2+ binding to the receptor stimulates PTH secretion

TLS Online TPP Program

#Id: 974

#Unit 5. Developmental Biology

BMP inhibitors secreted by the organizer are- Noggin, Chordin, Follistatin & Norrin

TLS Online TPP Program

#Id: 698

#Unit 3. Fundamental Processes

Frameshifts occurs when Processivity fails

TLS Online TPP Program

#Id: 7084

#Unit 3. Fundamental Processes

Mutations that remove the 2’-OH of the A residue at the 30 end of the P-site tRNA result in a 106-fold reduction in catalysis rates. This “substrate-assisted catalysis”

2’-OH of the P-site tRNA may act as part of a “proton shuttle”