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 […]

1. Athletes who abuse erythropoietin have many more red blood cellsthan usual. a. Explain why anathlete might die from having too many red blood cellsb. Why is death morelikely at night when an athlete is sleeping, rather than during theday when he or she is active? Base your explanation on […]