Thermophilic proteins have increased amounts of Arg, increased occurrence of Ala in helices, and Gly/Ala substitutions (which affect the entropy of the denatured state, and thus its free energy) and increased number of salt bridges. 

TLS Online TPP Program

#Id: 8622

#XL - R Botany

Cyclins are degraded through the action of two different E3-ligases:

1. SCF (Skp1, Cullin, and F-box proteins) 

2. APC/C or cyclosome

TLS Online TPP Program

#Id: 10665

#XL - R Botany

Root apical meristem

root  cap  secretes  a  polysaccharide  slime  that  lubricates  the  soil  around  the  tip  of  the  root

TLS Online TPP Program

#Id: 9459

#XL - T Zoology

Ligand binding triggers a conformational change in the JAKs & they phosphorylate each other on a critical tyrosine in the activation loop which greatly enhances kinase activity

TLS Online TPP Program

#Id: 8082

#XL - T Zoology

TLS Online TPP Program

#Id: 9170

#XL - T Zoology

The overall change in allelic frequency