Upon illumination, the flow of protons from the stroma into the thylakoid lumen is coupled to the release of Mg2+ from the intra thylakoid space to the stroma. These light actuated ion fluxes decrease the stromal concentration of protons (the pH increases from 7 to 8) and increase that of Mg2+ by 2 to 5 mM. 

TLS Online TPP Program

#Id: 1458

#Unit 4. Cell Communication and Cell Signaling

The formation of many cell-cell adhesions entails two types of molecular interactions:

1. Trans binding interactions 

2. Cis binding interactions

TLS Online TPP Program

#Id: 1768

#Unit 4. Cell Communication and Cell Signaling

Factors that promote tolerance rather than stimulation

a. High doses of antigen

b. Long-term persistence of antigen in the host

c. Intravenous or oral introduction

TLS Online TPP Program

#Id: 4845

#Unit 13. Methods in Biology

The relationship between truth or false of the null hypothesis and outcomes or result of the test is given in the tabular form.

TLS Online TPP Program

#Id: 8873

#Unit 2. Cellular Organization

Cdc25B, activating an initial small pool of cyclin B/1 at the centrosome, which is facilitate centrosome maturation.

TLS Online TPP Program

#Id: 5439

#Unit 7. System Physiology – Animal

During overshoot  

the direction of the electrical gradient for Na+ is reversed because the membrane potential is reversed & this limits Na + influx