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2. You isolate a Gram positive alkalinophile that grows at a pH = 10. At this external pH, the intracellular pH is maintained at 7.3. Using the equation proton motive force (pmf), determine the contributions of the electrical and chemical energy components to the pmf in this bacterium.  3. You […]

1) What is a bioindicator? What ecological and biological aspects make lichens good indicators of poor air quality? In the study by Cameron et al. (2007) what were the pros and cons of using lichens to access air quality? How might these issues be addressed in future research projects? 2) […]

1. Develop a testable hypothesis regarding the effect of an acidic fluid on enzyme activity. 2. Design an experiment to test your hypothesis. Make a list of all the materials you will need to conduct your experiment and then procure them. Record in advance all the steps you plan to […]

Select three (3) ORGAN systems and explain how they work together to maintain homeostasis in the body. Include in your answer: a clear definition of homeostasis, a description of each of the 3 organ systems, and how each of the 3 organ systems coordinates with the other two in maintaining homeostasis […]