Energy derived from absorbed light is used to reverse the photoreaction that caused the lesion.  The two chromophores in E. coli photolyase (Mr 54,000), N5,N10 methenyltetrahydrofolylpolyglutamate (MTHFpolyGlu) and FADH, perform complementary functions

TLS Online TPP Program

#Id: 9909

#Unit 4. Cell Communication and Cell Signaling

Inflammasomes

Multiprotein complex that promotes inflammation by processing inactive precursor forms of pro-inflammatory cytokines such as IL-1 and IL-18.

Proinflammatory cytokines IL-1β, TNF, and IL-6. 

TLS Online TPP Program

#Id: 6538

#Unit 7. System Physiology – Animal

The insulin receptor, a receptor tyrosine kinase, activates several signal transduction pathways, including the one leading to the activation of protein kinase B

TLS Online TPP Program

#Id: 184

#Unit 5. Developmental Biology

Morphogens can be:

Transcription factors

Paracrine factors

TLS Online TPP Program

#Id: 342

#Unit 1. Molecules and their Interaction Relevant to Biology

Accumulation of alanine, which can be synthesized from pyruvate in one step, allosterically inhibits pyruvate kinase, slowing the production of pyruvate by glycolysis

TLS Online TPP Program

#Id: 9019

#Unit 6. System Physiology – Plant

Five pivotal enzymes are regulated by Ferredoxin–thioredoxin Fd-Thrx system