TLS Online TPP Program

#Id: 3045

#Unit 3. Fundamental Processes

FEN 1 functions as an endonuclease, but it also has a 5 '-3' exonuclease activity. In DNA repair reactions, FEN 1 may cleave next to a displaced nucleotide and then use its exonuclease activity to remove adjacent material.

TLS Online TPP Program

#Id: 3046

#Unit 3. Fundamental Processes

The general importance of FEN 1 is that it prevents flaps of DNA from generating structures that may cause deletions or duplications in the genome.

TLS Online TPP Program

#Id: 3047

#Unit 3. Fundamental Processes

DNA ligase seals nicks between adjacent nucleotides by employing an enzyme-AMP intermediate.

TLS Online TPP Program

#Id: 3076

#Unit 3. Fundamental Processes

The division of a bacterium into two daughter cells is accomplished by the formation of a septum.

TLS Online TPP Program

#Id: 3077

#Unit 3. Fundamental Processes

Septum, a structure that forms in the center of the cell as an invagination from the surrounding envelope

TLS Online TPP Program

#Id: 3078

#Unit 3. Fundamental Processes

The rodlike shape ofthe bacterium is maintained by three proteins: MreB, PBP2, and RodA.