ABA signaling in guard cells is largely mediated through the second messenger Ca2+.

TLS Online TPP Program

#Id: 1298

#Unit 2. Cellular Organization

ATP powered pumps transport ions and various small molecules across membranes always against their concentration gradients.

TLS Online TPP Program

#Id: 1299

#Unit 2. Cellular Organization

P1 ATPases transports

Cu+, Ag+, Cu2+, Zn2+, Cd2+, Pb2+ and Co2+.

TLS Online TPP Program

#Id: 1300

#Unit 2. Cellular Organization

P2 ATPases transports 

Na+, K+, H+ Ca2+, Mg2+ and phospholipids

TLS Online TPP Program

#Id: 1301

#Unit 2. Cellular Organization

P3 ATPases transports-H+ & Mg+2 

TLS Online TPP Program

#Id: 1303

#Unit 2. Cellular Organization

Na+/K+ ATPase generates the low cytosolic Na+ and high cytosolic K+ concentrations. 

TLS Online TPP Program

#Id: 1305

#Unit 2. Cellular Organization

Transmembrane domain with the binding sites for transported ligand.