1. Do all proteins at some time in their existence have a methionine at their amino terminus?

2. Explain gene targeting procedure

3. Write an essay on protein engineering .

4. Explain insertional mutagenesis

5. How are nuclear DNA and mitochondrial DNA transferred from parentcells to daughter cells?

6. Why are carbs found attatched to integral membrane proteins on the outside but almost never on the inside of cell membrabes.