Overview
1. Referring to the data in Tube A, explain the major role(s) of 2 macromolecules in the bacterial cell under control conditions.
2. Referring to the data in Tube B, explain why you see a change in carbohydrate content in the cells after the addition of the antibiotic and describe which part of the cell has been affected.
3.Referring to the data in Tube B, which domain of life does E. coli belong? Explain and justify your answer.
4.The progenitors of mitochondria (purple bacteria) and chloroplasts (cyanobacteria) were free living prokaryotes that lost many basic functions as they evolved into organelles. Outline two biological processes central to biological systems that were retained in both mitochondria and chloroplasts.
5. What is the difference between primary and secondary endosymbiosis?