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? […]

Q1. The neurotransmitter acetylcholine is made in the cytosol and then transferred into synaptic vesicles, where its concentration is more than 100 fold higher than in the cytosol. Synaptic vesicles isolated from neurons can take up additional acetylcholine if it is added to solution in which they are suspended but […]

Alonso and Bernd are hiking in Yellowstone National Park. As they come around a sharp bend in the trail, they surprise a mother bear and her two cubs. The mother bear makes her displeasure at being surprised by the two hikers very clear. As fate would have it, Alonso is […]