Adenoviruses and cytomegalo virus use to reduce the surface expression of class I MHC molecules, 

Measles virus and HIV, reduce levels of class II MHC molecules on the surface, 

Vaccinia virus, secreting a protein that binds to the C4b complement component.

TLS Online TPP Program

#Id: 698

#Unit 3. Fundamental Processes

Frameshifts occurs when Processivity fails

TLS Online TPP Program

#Id: 699

#Unit 3. Fundamental Processes

Frameshifts normally occurs homopolymeric sequences as long sequence of dTn:dAn

TLS Online TPP Program

#Id: 700

#Unit 3. Fundamental Processes

As a general rule, increased processivity reduces the likelihood of slippage at long sequence of dTn:dAn or frameshift mutation 

TLS Online TPP Program

#Id: 701

#Unit 3. Fundamental Processes

Which of the polymerase can recognise A-A complimentary base pairs as normal

1. I 2. II 3. III     4. IV 

TLS Online TPP Program

#Id: 702

#Unit 3. Fundamental Processes

The replicase activity of DNA polymerase III was originally discovered by a conditional lethal mutation in the dnaE locus, which codes for the 130 kD, a subunit that possesses the DNA synthetic activity.

TLS Online TPP Program

#Id: 703

#Unit 3. Fundamental Processes

The 3’–5’ exonucleolytic proofreading activity is found in E, coded by the dnaQ gene