Translocation of sperm from the vagina to the oviduct involves several processes that work at different times and places:

Sperm motility

Uterine muscle contractions

Sperm rheotaxis

TLS Online TPP Program

#Id: 5188

#Unit 7. System Physiology – Animal

The initial reaction in the intrinsic system is conversion of inactive factor XII to active factor XII (XIIa).

TLS Online TPP Program

#Id: 3011

#Unit 3. Fundamental Processes

The E. coli SSB is a tetramer; eukaryotic SSB (also known as RPA) is a trimer.

TLS Online TPP Program

#Id: 8254

#Unit 1. Molecules and their Interaction Relevant to Biology

Dipole-Dipole Interaction

Dipole-Dipole interactions occur between molecules that have permanent dipoles; these molecules are also referred to as polar molecules.

TLS Online TPP Program

#Id: 8531

#Unit 2. Cellular Organization

Dynamic instability 

Rapid interconversion between a growing and shrinking state, at a uniform free tubulin concentration

TLS Online TPP Program

#Id: 1459

#Unit 4. Cell Communication and Cell Signaling

In trans interactions (intercellular or adhesive interactions) CAMs on one cell bind to the CAMs on an adjacent cell.