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Q1. Johnny, a 5-year-old boy, has been growing by leaps and bounds; his height is 100 percent above normal range for age. He has been complaining of headaches and vision problems. A CT scan reveals a large pituitary tumour. (a) What hormone is being secreted in excess? (b) What condition […]

Discussion: “Cells and Cancer and Mitosis and Meiosis” Please respond to one of the following three bulleted items. • Listen to one of the following podcasts listed below: o NPR Podcast: Can healthy eating reverse some cancers? – http://www.npr.org/2015/07/31/426842528/can-healthy-eating-reverse-some-cancers o Dana Farber Podcast: Sugar and Cancer. – http://blog.dana-farber.org/itunes/cancer_and_nutrition/nutrition_and_cancer-sugar.mp3 o Briefly […]

Question: Alu sequences are one of the most extensively characterized SINEs, with about one million in every human genome. Assuming each Alu element consists of 300 bp of conserved sequence, what is the average size of the DNA between twoAlu sequences are one of the most extensively characterized SINEs, with about […]

Nonpoint sources of pollution that contribute fecal bacteria to surface waters have proven difficult to identify. Knowledge of pollution sources could aid in restoration of the water quality, reduce the amounts of nutrients leaving watersheds, and reduce the dangers of infectious diseases resulting from exposure to contaminated waters. Patterns of […]