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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) Briefly present the structural and functional relationship of peripheral nervous system 2) Describe the differences between parasympathetic and sympathetic divisions of autonomic nervous system 3) Describe and compare neurotransmission and neurotransmitters in both divisions of autonomic nervous system 4) Analyze the process of synthesis, storage and inactivation of neurotransmitters […]

A woman has a rar abnormality of the eyelids called ptosis, whichprevents her from opening her eyes completely. This condition iscaused by a dominant allele, P. The woman’s father had ptosis, buther mother had normal eyelids. Her father’s mother had normaleyelids. (a) What are the genotypes of the woman, her […]