Practice Questions

TLS Online TPP Program

#Question id: 6976

What is the major concern of using retroviral vectors to deliver or activate pluripotent genes?

#5. Developmental Biology

Not very efficient and needs repeated transfections
Plasmid diluted as iPS cells divide
Vector and transgenes remain in the genome and can be reactivated in differentiated cells
The vector integrates but is excised by the transposase

More Questions

#Question id: 3878

#3. Fundamental Processes

Which of the following statements about the synthesis of rRNA and tRNA in E. coli is true?

#Question id: 3879

#3. Fundamental Processes

Which of the following is not usually essential for the catalytic activity of ribozymes?

#Question id: 3880

#3. Fundamental Processes

Which one of the following properties of the L-19 IVS ribozyme is not shared with enzymes that are purely protein?

#Question id: 3881

#3. Fundamental Processes

Which one of the following statements about mRNA stability is true?

#Question id: 3882

#3. Fundamental Processes

The reverse transcriptase of an animal RNA virus catalyzes:

#Question id: 3885

#3. Fundamental Processes

AZT (3'-azido-2',3'-dideoxythymidine), used to treat HIV infection, acts in HIV-infected cells by: