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Imagine that you have two people using breathing gear under water. Diver 1 is using an old style “rebreather” that removes carbon dioxide before the mixture is “rebreathed” and therefore decreases overall carbon dioxide concentrations in the blood. Diver 2 is using regular SCUBA gear and is breathing air with […]

1) Select ONE animal species. Your goal is to explain the way where an evolutionary change might happens for a particular characteristic (trait) of the population of that species as a result of natural selection. The characteristic (trait) could be something such as coloration pattern, length of limbs, size of […]

Question 1: How does the insulin and glucagon secreted by the pancreas function in glucose metabolism? Question 2: How do the cardiovascular and respiratory system work together to deliver blood to the body tissues? Question 3: The body experiences some stressor such as exercise, fright, or emotional stress whether it […]

A cloned DNA sequence was used to probe a Southern blot. There were 2 DNA samples on the blot, one from white blood cells and the other from a liver biopsy of the same individual. Both samples had been digested with HpaII. The probe bound to a single 2.2 kb […]