PEPCase‐kinase transcripts accumulate during the night, controlled by the circadian oscillator and metabolites. Nocturnal phosphorylation of PEPCase controls primary carboxylation.

TLS Online TPP Program

#Id: 7909

#Unit 2. Cellular Organization

Membrane contact sites (MCSs)

Mitochondria establish MCSs with many other organelles, including ER, lysosomes, peroxisomes, the plasma membrane, the Golgi, endosomes, and even lipid droplets.

TLS Online TPP Program

#Id: 3200

#Unit 3. Fundamental Processes

Base excision repair (BER) systems directly remove the damaged base and replace it in DNA.

TLS Online TPP Program

#Id: 1188

#Unit 7. System Physiology – Animal

A lesion that interrupts one optic nerve causes blindness in that eye.

TLS Online TPP Program

#Id: 4550

#Unit 12. Applied Biology

TLS Online TPP Program

#Id: 5209

#Unit 7. System Physiology – Animal

All endothelial cells except those in the cerebral microcirculation produce thrombomodulin,  a thrombin-binding protein, on their surfaces.