Uncategorized

In lab we were given plasmid dna and competent e coli cells.  we plated they and let them grow on lb ampicillin plates. our TA then did something with them and we were given cell pellets the following week.  we did cell lysis, purified the dna and eluted the pure […]

The role of O2 in electron transport In mitochondrial electron transport, what is the direct role of O2? a)to provide the driving force for the synthesis of ATP from ADP and Pi b)to function as the final electron acceptor in the electron transport chain c)to oxidize NADH and FADH2 from […]

1. Ribozymes in the large ribosomal subunitcatalyze peptidyl transferase activity during elongation. What isthe immediate result? A. The elongation factor EF-Tu isrecycled.B. The tRNA in the p site fallsoff the ribosome.C. A new charged tRNA moves intothe A site.D. The bond broken between thetRNA at the P site and its […]

The Impact of Our Own Species on Earth Discussion The material covered in this module has shown that changes in global geology and climate over the past 3+ billion years have dramatically shaped the evolution of life on Earth. Simultaneously, life has altered the Earth in a variety of ways. […]