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Bottled water is a billion dollar industry in the United States. Still, few people know the health benefits, if any that comes from drinking bottled water as opposed to tap water. I need to create a hypothesis about an experiment that looks at the levels of various chemical compounds in […]

Sudden addition of oxygen (O2) to a previously anaerobic culture of yeast fermenting grape juice results in a dramatic decrease in the rate of glucose consumption. This is known as “Pasteur effect”. a) Why would the yeast cells consume less glucose in the presence of oxygen? Can you estimate how […]

1) While discussing their findings, authors have ignored a main threat to the validity of their estimates of the exposure. Explain and discuss this error. State the alternative study design must overcome this problem and also explain why? Rate the study’s internal validity; low, medium or high. Explain this systematically […]

Q. In humans, oogenesis in comparison to spermatogenesis is different in that? A) cytokinesis is unequal during the meiotic divisions B) mature ovum has not yet completed its second meiotic division C) first meiotic division is not completed unless the egg is reactivated by a hormone. D) Sequence from primary […]