Use the IRAC method and ensure that you have identified the case problem.  Case analyses are extremely helpful in that an analysis teaches you how to read a case.  You will always want a heading which gives the case name and its citation <where to find the case>.  The facts […]

In many organisms including human, some tissues are triploid rather than diploid. The c value for human is 3 x 10^9 bp and a normal diploid cell contains 46 chromosomes. From this information please determine how many chromosomes will be visible in a karotype of a triploid cell and the […]

Q. Mrs. Gray, a 50-year-old mother of seven children, is complaining of dull, aching pains in her legs. She reports that they have been getting progressively worse because the birth of her last child. All through her physical examination, numerous varicosities are seen in both legs. How are varicosities recognized? […]

You are a scientist working on a large protein (500 amino acids long) you have genetically engineered the protein in in such a way as to replace a single hydrophobic amino acid with a negatively charged amino acid. How might this substitution alter the primary and the tertiary structure of […]