Q1. Since a doughnut contains a large quantity of energy that can become available for our metabolism when eaten, why isn’t the doughnut “jumping” all over the counter or hot to the touch? Q2. While admitted to the emergency room, John was holding his right hand, which had a deep […]

Q1. Suppose that after washing your hands, you leave ten bacterial cells on a new bar of soap. You next decide to do a plate count of the soap after it was left in the soap dish for 24 hours. You dilute 1 g of the soap 1:10 6 and […]

Q1. Why is the gene coding for ribosomal RNA (rRNA) used for establish phylogenetic relationships and how does this compare to previous methods for placing organisms in appropriate taxa? Q2. Peggy Sue’s doctor wants to screen her for reactive hypoglycemia. If her doctor’s suspicions are correct and Peggy Sue does […]

The Centers for Disease Control (CDC) collects and disseminates information about outbreaks of disease. H1N1, SARS, and West Nile virus are just a few of the disease outbreaks that the CDC has reported. You have been called upon to lead one of the investigations. Select a disease outbreak for which […]