Chemotaxis oocyte and its accompanying cumulus cells secrete molecules that attract capacitated sperm toward the egg during the last stages of sperm migration

TLS Online TPP Program

#Id: 5272

#Unit 7. System Physiology – Animal

Membrane ion channels that play important roles in generation of the action potential:

T (transient) channels 

L (long-lasting) channels

Voltage gated potassium ion channel

TLS Online TPP Program

#Id: 7202

#Unit 5. Developmental Biology

TLS Online TPP Program

#Id: 525

#Unit 2. Cellular Organization

The second parity rule applies more closely to introns than to exons.

TLS Online TPP Program

#Id: 8797

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 6697

#Unit 3. Fundamental Processes

Wild-type HIV produces a protein called Vif (viral infectivity factor) that directs proteosomal degradation of the A3G enzyme