For subunit vaccine, a eukaryotic cloning host is always used because the recombinant proteins produced by bacteria are nonglycosylated, and glycosylation is necessary for the proteins to be immunologically active.

TLS Online TPP Program

#Id: 8276

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 725

#Unit 3. Fundamental Processes

The E. coli oriC contains 11 copies of the GATC sequence

TLS Online TPP Program

#Id: 3337

#Unit 3. Fundamental Processes

In addition to proteins involved in NER, a variant form of XP called XP-V is caused by a defect in the translesion DNA polymerase, Pol h. The gene encoding Pol h is sometimes called XPV. Individuals with XP-V have a milder form of XP.

TLS Online TPP Program

#Id: 6903

#Unit 8. Inheritance Biology

Chromosome Mutations

Chromosome rearrangements 

Aneuploidy

Polyploidy

TLS Online TPP Program

#Id: 2537

#Unit 13. Methods in Biology

Extension step in the second cycle will produce a product that will be much shorter than the 'long product'; this is the 'correct' PCR product and represents the target sequence