Fast block to polyspermy 

Within 1–3 seconds after the binding of the first sperm, the membrane potential shifts from -70mV to about +20 mV

TLS Online TPP Program

#Id: 9373

#Unit 4. Cell Communication and Cell Signaling

Smad7 binds to the activated RI receptors and blocks its ability to phosphorylate Smad2 or Smad3. 

TLS Online TPP Program

#Id: 10163

#Unit 6. System Physiology – Plant

The biosynthesis of gibberellins is under strict genetic, developmental, and environmental control, and numerous gibberellin-deficient mutants have been isolated.

TLS Online TPP Program

#Id: 8187

#Unit 2. Cellular Organization

Biosynthetic function of animal peroxisomes- 

Synthesis of cholesterol and dolichol 

Synthesis of bile acids in the liver 

Catalyze the first reactions in the formation of Plasmalogens

TLS Online TPP Program

#Id: 5883

#Unit 3. Fundamental Processes

Semiconservative replication

DNA repair reaction

TLS Online TPP Program

#Id: 811

#Unit 3. Fundamental Processes