IL-4 increases expression of class II molecules in resting B cells, turning them into more efficient APCs.

TLS Online TPP Program

#Id: 2932

#Unit 3. Fundamental Processes

Replication in bacteria and in eukaryotes is licensed and permitted to occur only once per cell cycle.

TLS Online TPP Program

#Id: 2933

#Unit 3. Fundamental Processes

The E. coli oriC is fully methylated at the beginning of replication.

TLS Online TPP Program

#Id: 2934

#Unit 3. Fundamental Processes

oriC is hemimethylated and remains in that condition for approximately 13 minutes.

TLS Online TPP Program

#Id: 2935

#Unit 3. Fundamental Processes

SeqA binds to hemimethylated DNA more strongly than to fully methylated DNA.

TLS Online TPP Program

#Id: 2936

#Unit 3. Fundamental Processes

Deletion of dat causes initiation to occur more frequently. This significantly increases the amount of DnaA available to the origin.

TLS Online TPP Program

#Id: 2937

#Unit 3. Fundamental Processes

DnaA is provided by its response to phospholipids. Phospholipids promote the exchange of ATP with ADP bound to DnaA.