IGFs and FGFs in the anterior region, Initiate the receptor tyrosine kinase (RTK) signalling inhibit BMPs and Wnts pathways

TLS Online TPP Program

#Id: 2451

#Unit 3. Fundamental Processes

Allolactose binds to the Lac repressor and triggers a change in the shape (conformation) of that protein. 

TLS Online TPP Program

#Id: 10423

#Unit 4. Cell Communication and Cell Signaling

Tumor cells secrete a protein plasminogen activator that converts the serum protein plasminogen to the active protease plasmin.

TLS Online TPP Program

#Id: 2232

#Unit 11. Evolution and Behavior

De novo genes -New Genes in organisms ranging from yeast to humans that did indeed originate from noncoding DNA,

TLS Online TPP Program

#Id: 7752

#Unit 1. Molecules and their Interaction Relevant to Biology

Electron affinity: The enthalpy change that results from adding an electron to a gaseous atom.

Electron affinity is becoming less negative (less exothermic) and less likely to gain an electron. 

TLS Online TPP Program

#Id: 3110

#Unit 3. Fundamental Processes

Replication is bidirectional when an origin creates two replication forks that move in opposite directions.