Anergy versus clonal expansion

TLS Online TPP Program

#Id: 3301

#Unit 3. Fundamental Processes

DNA lesions that cause large distortions in the helical structure of DNA generally are repaired by the nucleotide-excision system, a repair pathway critical to the survival of all free-living organisms. 

TLS Online TPP Program

#Id: 1395

#Unit 4. Cell Communication and Cell Signaling

Tropomodulin blocks (−) ends, where filament disassembly normally occurs; thus the major function of tropomodulin is to stabilize filaments .

TLS Online TPP Program

#Id: 2009

#Unit 8. Inheritance Biology

Reciprocal crosses pair of crosses in which the phenotypes of the male and female parents are reversed.

TLS Online TPP Program

#Id: 4735

#Unit 5. Developmental Biology

In C. elegans

When sperm fuses with the egg cell membrane, polyspermy is prevented by the rapid synthesis of chitin by the newly fertilized egg.

TLS Online TPP Program

#Id: 1364

#Unit 4. Cell Communication and Cell Signaling

Phosphorylation of the activation loop leads to a conformational change in the JAK kinase that enhances the affinity of the enzyme for ATP & increasing kinase activity.