Q1. Charlie has the blood test that shows a normal level of LDLs other than an elevated level of HDLs in his blood. Because his family has a history of cardiovascular disease, he wonders if he must modify his lifestyle. What would you tell him? Q2. How is this type […]

Answer the following questions based upon your analysis of the heart’s electrical conduction system: 1) There is a delay in time between the contraction of the atria and the contraction of the ventricles. This is called the AV-delay. What structural characteristics (identify more than one!) of the conducting fibers between […]

a. Give the advantages and disadvantages of using NMR techniques to determine a proteins tertiary/quaternary structure. b. Explain why a protein can not refold if the protein is first denatured, then the disulfide bonds are cleaved, then the protein is treated with excess iodoacetate or performic acid. c. What can […]

Question 1 Write a short account of THREE of the following topics:- Your short account should include descriptive and explanatory text with annotated diagrams as appropriate. You should expect to write about a side of A4 for each answer. Each topic carries equal marks. The experiments of Meselsohn and Stahl […]