Lab Question: If lactose is available and there is NO glucose, the lac operon is ______ and mRNA is _________________.

Tell one way that recombinant molecules can be introduced into eukaryotic cells (transfection).

Match the virus with the correct disease

Which of the following characteristics best describes all oncogenic viruses:

Which of the following is most severely affected by hepatitis virus infection?

Reverse transcriptase is an enzyme that can

BONUS: self quizzes 7, 8, 9, 10 – 1pt each if 80% by due date

Below is an illustration of the repressible TRP operon, which contains the genes necessary for synthesizing the amino acid tryptophan. In low levels of tryptophan, are the genes in this operon being expressed? (.5) Explain where the trp repressor protein is located when there are increased levels of tryptophan in the environment.  (1 pt)  

Explain how prions replicate and name a disease caused by prions.

Lab question:  Which of the following situations results in the breakdown of lactose in a bacteria with the lac operon?