The TP53 gene encodes the p53 protein. This 393-amino acid protein is a transcription factor that is regulated by phosphorylation and by its interaction with another phosphoprotein, the negative regulator Mdm2. In a normal cell, both proteins are unphosphorylated, which allows them to bind together. Mdm2 stimulates degradation of p53, […]

You will be required to do a term paper on ONE of the topics listed below. Discuss how the unique physical and chemical properties of water contribute to the importance of water for life on Earth to survive. Discuss how the methods of experimentation and observation have changed throughout the history of […]

Q1. Artificial electron acceptors can be used to detect a exact organelle by cytochemistry. Name this organelle and outline the procedure that you would use to detect this organelle by cytochemistry. Q2. If you were asked to make a karyotype from chromosome spreasa from HeLa cells, list the materials you […]

Part 1:  NAAQS Quiz (Short answer) Go to EPA’s National Ambient Air Quality Standards website homepage at http://www.epa.gov/air/criteria.html. Review the details of NAAQS for the criteria pollutants and answer the following questions: How many criteria pollutants are covered under the NAAQS? In what year was the ozone standard first initiated? […]