Genetic Engineering Practice Test 9

1. Phosphoribosyl amino-imidazole carboxylase is a component of _______ biosynthesis pathway.

2. Cells mutant in _____ gene can be selected by using 5-fluoro orotic acid, which is turned into ____ products by wild type protein.

3. Protoplast transformation is less time consuming than lithium acetate for transformation.

4. Atrazine is a herbicide and it acts on _________

5. For Chlorella, which method is used for DNA uptake?

6. Secretion of overexpressed proteins by fusion to a secretion signal can be useful because it helps in bringing about correct _______ and _____ protein folding.

7. If gene of interest is inserted into protoplasts but the transformation is not stable, then it is called as __________ expression systems.

8. Mutant strains of Saccharomyces cervevisiae in which endogenous DNA are deleted are called as _________

9. COX3 gene is a selectable marker. Choose the correct statement with respect to it.

10. nmt1+ gene is used for _____ biosynthesis.