1. Is an amnesty program (with a deadline date) the best solution to solving the problem of immigration in America? What will the United States look like without illegal immigrants? (Perhaps examine some of the states with new firm immigration policies for examples). 2. Should the federal government be held […]

Exercise: Enzymes, Temperature, and pH Data Table: Enzymes and Temperature. Lactase Tube Temperature (°C) Time (minutes) Glucose Concentration     5 minutes 100 Cold 5 10 minutes 100 15 minutes 100 20 minutes 100 Room 18 5 minutes 500 10 minutes 250 15 minutes 500 20 minutes 500 Hot 103 […]

A 6 month-old male infant is admitted to the hospital with diagnosis of recurrent pneumonia. His vital signs on admission: Respiratory rate = 50 /min; heart rate = 170 beats/min; temperature – 102° F. Substernal retractions are prominent. Lung auscultation: bilateral wheezes and rhonchi. Medical history: this is a third […]

Suppose that a population of forest dwellers is predominantly green, but about 25% of each new generation of children are a lighter color – yellow or pale green. The lighter colored beings have to be careful, as they are more easily seen and eaten by predators! How can we explain […]