Assignment 15 Biochem

1. Explain how proteins are covalently modified after protein synthesis?

2. Why eukaryotic genomes consist of repetitive DNA sequences and what are their significance?

3. Describe the proteins involved in lactose metabolism in E. coli? How lac repressor recognizes operator sequences?

4. Explain the effect of chromatin structure on eukaryotic gene expression specifically through chromatin-remodeling complexes?

5. Describe the eukaryotic transcriptional activators or enhancers with their significance and functions?