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Question: The hypothetical OxyA protein is a surface protein that may have a role in attachment to the surface of the intestinal epithelium but there is evidence that it has a role in invasion. Assume there is a suitable mouse model and that attachment can be demonstrated using human cell culture […]

Basic requirements for all Powerpoint Presentations: No more than 6 bullet points per slideNo more than 10 words on each bullet pointAll explanation should be in the slide notes – all slide notes must be CITED.Maximum word count for slide notes = 250 words per slideMust have an Introduction slide […]

A 50-year-old man, a recent immigrant from Vietnam, is brought to the emergency room with a cough productive of bloody sputum. He first noticed a cough approximately 2 months ago, but there was not much sputum. In the past several days his sputum production has increased and become mixed with […]

1) Some theorists argue that there may be no clear threshold for effects such as carcinogenesis & mutation. What arguments do you think they might put forward in support of this? 2) It is important to understand the physiological means by which toxic agents cross cellular membranes & enter the […]