Two to four monomers of Dna AA TP bind at the origin, and after release of DiaA, they recruit two "pre-priming" complexes of the DnaB helicase bound to DnaC-ATP, so that there is one DnaB-DnaC-ATP complex for each of the two (bidirectional) replication forks.

TLS Online TPP Program

#Id: 629

#Unit 3. Fundamental Processes

Replacement of Purine to Purine is called Transition

TLS Online TPP Program

#Id: 630

#Unit 3. Fundamental Processes

Replacement of Pyrimidine to Purine or vice versa is called Transversion.

TLS Online TPP Program

#Id: 631

#Unit 3. Fundamental Processes

Transition takes place due to Tautomeric Shift in Nitrogenous bases Spontaneously.

TLS Online TPP Program

#Id: 632

#Unit 3. Fundamental Processes

Transversion takes place due to Oxidation of Nitrogenous bases especially of Guanine due to reactive oxygen species.

TLS Online TPP Program

#Id: 633

#Unit 3. Fundamental Processes

Transition and Transversion showed up during replication only.

TLS Online TPP Program

#Id: 634

#Unit 3. Fundamental Processes

HNO₂ or Nitrous Acid is deaminating agent causes removal of –NH2 for nitrogenous bases.