Superantigens

Viral or bacterial proteins that bind simultaneously to the Vβ domain of a T-cell receptor and to the α chain of a Class II MHC molecule

TLS Online TPP Program

#Id: 3029

#Unit 3. Fundamental Processes

The oriCsystem, named for the bacterial origin, basically involves the association of the DnaG primase with the protein complex at the replication fork.

TLS Online TPP Program

#Id: 3240

#Unit 3. Fundamental Processes

Mutations that alter a single nucleotide are called point mutations.

TLS Online TPP Program

#Id: 6034

#Unit 3. Fundamental Processes

Direct repeats can be displaced and misaligned with the template; palindromic sequences can form hairpins. These structures may change the number of repeats. The general importance of FEN1 is that it prevents flaps of DNA from generating structures that may cause deletions or duplications in the genome.

TLS Online TPP Program

#Id: 8270

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 363

#Unit 1. Molecules and their Interaction Relevant to Biology

When cellular iron concentrations return to normal levels, IRP1 is converted to aconitase, and IRP2 undergoes proteolytic degradation, ending the low-iron response.