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“Evolution in Animals and Population of Humans Humans belong to the genus Homo and chimpanzees to the genus Pan, yet studies of primate genes show that chimpanzees and humans are more closely related to one another than each is to any other animals. In light of this result, some researchers […]

Describe the historical pattern of growth of the worldwide human population since our origin. Include in this historic overview the changes that have happened technologically, medically, culturally and nutritionally to result in major population changes over time. Relate the growth of the human population to our ecological footprint and explain […]

A crude cell-free extract of a skeletal muscle contained 32 mg protein/ml. Ten ul (microlitres) of the extract catalyzed a reaction at rate of 0.14 umole/min under standard optimum assay conditions. Fifty ml of the extract were fractionated by ammonium sulphate precipitation. The supernatant obtained after centrifugation was redissolved in […]

Before bringing a new drug to the marketplace that is described as a more powerful antihypertensive than the drugs currently on the market. Then extensive testing is done on the drug by administering the drug to large numbers of individuals. Explain the importance of the scientific method, sample size, controls […]