The mismatch repair system of E. coli includes at least 12 protein components (Table) that function either in strand discrimination or in the repair process itself.

TLS Online TPP Program

#Id: 3128

#Unit 3. Fundamental Processes

The E. coli oriC contains 11 copies of the sequence GATC/CTAG which is a target for methylation at the N6 position of adenine by the Dam methylase enzyme.

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#Id: 1768

#Unit 4. Cell Communication and Cell Signaling

Factors that promote tolerance rather than stimulation

a. High doses of antigen

b. Long-term persistence of antigen in the host

c. Intravenous or oral introduction

TLS Online TPP Program

#Id: 2400

#Unit 3. Fundamental Processes

Sigma Region 3/4 linker mimics RNA

TLS Online TPP Program

#Id: 10450

#Unit 4. Cell Communication and Cell Signaling

Chromosomal translocation 

That fuses two genes together to produce a hybrid gene encoding a chimeric protein whose activity is constitutive

TLS Online TPP Program

#Id: 8828

#Unit 6. System Physiology – Plant