Stress tolerators can survive and reproduce under extreme environmental conditions, such as very low water availability, very cold temperatures, or high salt concentrations.

Ex - Lichen, Mangrove plant, cacti, Deserts animal.

TLS Online TPP Program

#Id: 3015

#Unit 3. Fundamental Processes

E. coli SSB- Note that this protein is not a DNA-unwinding protein; its function is to stabilize DNA that is already in the single-stranded condition

TLS Online TPP Program

#Id: 3016

#Unit 3. Fundamental Processes

ssb mutants have a quick stop phenotype, and are defective in repair and recombination as well as in replication. 

TLS Online TPP Program

#Id: 3017

#Unit 3. Fundamental Processes

All DNA polymerases require a 3'-0H priming end to initiate DNA synthesis.

TLS Online TPP Program

#Id: 3018

#Unit 3. Fundamental Processes

The priming end can be provided by an RNA primer, a nick in DNA, or a priming protein.

TLS Online TPP Program

#Id: 3019

#Unit 3. Fundamental Processes

The priming end can be provided by an RNA primer, a nick in DNA, or a priming protein.

TLS Online TPP Program

#Id: 3020

#Unit 3. Fundamental Processes

For DNA replication, a special RNA polymerase called a primase synthesizes an RNA chain that provides the priming end.