Self-tolerance involving both the elimination of immune cells that can react against self-antigens and active inhibition of immune responses.

TLS Online TPP Program

#Id: 8329

#Unit 2. Cellular Organization

Treadmilling

Because the critical concentrations for the two ends are different, at steady state the free ATP–G-actin will be intermediate between Cc+ and Cc - , so the (+)end will grow and the (-)end will lose subunits.

TLS Online TPP Program

#Id: 1559

#Unit 4. Cell Communication and Cell Signaling

Wnt proteins are synthesized in the ER & modified by the addition of lipids (palmitic and palmitoleic acid).

 

TLS Online TPP Program

#Id: 8235

#Unit 10. Ecological Principles

Clustered dispersions

Social groups

Clustered resources

Offspring that remain close to their parents.

TLS Online TPP Program

#Id: 8088

#Unit 1. Molecules and their Interaction Relevant to Biology

The presence of one or more fatty acids with cis double bonds interferes with this tight packing and results in less stable aggregates.

TLS Online TPP Program

#Id: 7598

#Unit 5. Developmental Biology

The mouse zona pellucida is made of three major glycoproteins—ZP1, ZP2, and ZP3