In resting cells

Phospholipid scramblase XKR8 and TMEM16F would equilibrate phosphatidylserine in both plasma membrane leaflets, is inactive.

TLS Online TPP Program

#Id: 5035

#Unit 3. Fundamental Processes

The replicon model proposed two components that controlled the initiation of replication: the replicator and the initiator. The replicator is defined as the cis-acting DNA sequences that are sufficient to direct the initiation of DNA replication.

TLS Online TPP Program

#Id: 8451

#Unit 1. Molecules and their Interaction Relevant to Biology

The diameter of a typical α helix is about 12 Å, which matches the 12 Å wide and 6–8 Å deep major groove of B-form DNA. 

TLS Online TPP Program

#Id: 3684

#Unit 2. Cellular Organization

The “introns early” hypothesis is the proposal that introns have always been an integral part of the gene.  Genes originated as interrupted structures, and those now without introns have lost them in the course of evolution.

TLS Online TPP Program

#Id: 8590

#Unit 2. Cellular Organization

Mitotic CDKs drive phosphorylation of lamins A, B, and C results in disassembly of the intermediate filament lattice into lamin dimers.

TLS Online TPP Program

#Id: 2931

#Unit 3. Fundamental Processes

Hda protein is recruited to the replication origin to convert DnaA-ATP to DnaA-ADP.