Sar1 is the only GTPase switch protein activated at the ER membrane

TLS Online TPP Program

#Id: 2654

#Unit 7. System Physiology – Animal

Thick segment of the ascending limb of loop of Henle, has thick epithelial cells that have high metabolic activity and are capable of active reabsorption of sodium, chloride, and potassium

TLS Online TPP Program

#Id: 2996

#Unit 3. Fundamental Processes

The coupled 5'-3' synthetic/ 3'-5' exonucleolytic action is used most extensively for filling in short single-stranded regions in double-stranded DNA. These regions arise during lagging strand DNA replication.

TLS Online TPP Program

#Id: 2879

#Unit 13. Methods in Biology

Instruments specifically designed to measure turbid samples are nephelometers or Klett meters. 

TLS Online TPP Program

#Id: 8996

#Unit 6. System Physiology – Plant

Regeneration of the CO2 acceptor ribulose 1,5-bisphosphate. 

The cycle is completed by regeneration of ribulose 1,5-bisphosphate through a series of ten enzyme-catalyzed reactions, one requiring ATP.

TLS Online TPP Program

#Id: 1465

#Unit 4. Cell Communication and Cell Signaling

Three classes of classical cadherins: 

E-cadherin -present on many types of epithelial cells

N-cadherin - present on nerve, muscle and lens cells

P-cadherin - present on cells in the placenta & epidermis