Question: A Pseudoephedrine is a nasal decongestant that is sold only behind the pharmacy counter (limited quantity per month) with a valid identification. What is your opinion on this OTC drug sales being so restrictive? How does this affect patient care and how does it positively affect drug abuse? Question […]

Q. A young entrepreneur is considering buying or leasing a Xerox machine for a photocopying business office. The cost of the Xerox machine is $24,000.the annual maintenance cost is $750. The likely annual revenue from photocopying is $5500. If he decides to lease the machine the annual cost is $4000 […]

In fruit flies the gene (y) for yellow body is sex-linked (inthe first chromosome) and recessive. Bar eye is produced by asex-linked dominant gene (B). The gene (Cy) for curly wings isdominant located on the second chromosome. The gene (Pm) for plumcolored eyes is a dominant also located in the […]

1 Homology is evidence of ______. A. directional selection B. convergent evolution C. genetic drift D. common ancestry 2 Which one of the following statements is true? A. Natural selection works on non-heritable traits. B. Natural selection works on variation already present in a population. C. Individuals evolve through natural […]