Pathogenicity islands are a characteristic feature of pathogenic bacteria genomes.These are large regions (10 to 200 kb) that are present in the genomes of pathogenic species but absent from the genomes of nonpathogenic variants of the same or related species. 

TLS Online TPP Program

#Id: 9582

#Unit 11. Evolution and Behavior

Permian - Major mass extinctions, amphibians decline

TLS Online TPP Program

#Id: 8613

#Unit 2. Cellular Organization

Threonine -160 phosphorylation is mediated by 

CDK-activating kinase (CAK)

TLS Online TPP Program

#Id: 10099

#Unit 4. Cell Communication and Cell Signaling

Adherens junctions

functions as a tension cable that can internally brace the cell and thereby control its shape

TLS Online TPP Program

#Id: 9534

#Unit 11. Evolution and Behavior

Emergence of evolutionary thoughts

TLS Online TPP Program

#Id: 7707

#Unit 1. Molecules and their Interaction Relevant to Biology

H bonding i-i+3, i+1 in BS while i+2 in below LHH which virtually not allowed region

for most of amino acid except Gly that is why Gly is most conserved in type II B turns

                                                                Type II β turn