In schedule you must test the raw milk coming from provider B this incoming week. Your intention is to test the quality of the raw milk. Part of the company standard is to reject raw milk with total bacterial counts over 6 x 104 CFU/ml. Explain how you will proceed […]

A pH profile shows that the pH optimum for an enzyme is from pH5 to pH9. Assuming that the pKas for the side chains of the amino acids are unaltered from their normal values, propose an amino acid which must be in a deprotonated state for the enzyme to be […]

Consider a culture into which two E. coli strains are inoculated. Strain A is normal with g=21 min at 37 degrees C, and 42 mins at 27 degrees C. Strain B has a temperature-sensitive mutation, such that g=55 mins at 37 degrees C, and 39 mins at 27 degrees C. […]

Suppose that every human gamete contains approximately 40,000 genes. a. If the forward mutation rate is 1 x 10-5 new mutations per gene per generation, what is the average number of new mutations per gamete per generation? Show your work. b. What is the average number of new mutations per […]