Q1. Conjunction mapping could be used to locate genes on a bacterial chromosome. In this example, F+ strain is able to synthesize methionine, valine, leucine, and histidine. The F- strain is unable to synthesize these amino acids; therefore, they should be supplied in the growth medium. Use the results from […]

Which 2 amino acids donate amino groups to other compounds for nitrogen metabolism? What citric acid cycle intermediate can be converted to aspartic acid upon acceptance of an amino group? What coenzyme shared by pentose phosphate pathway and by lipid biosynthesis is also used to make glutamate? What citric acid […]

Question: A student encounters an animal embryo at the eight-cell stage. The four smaller cells that comprise one hemisphere of the embryo seem to be rotated 45 degrees and to lie in the grooves between larger, underlying cells (i.e., spiral cleavage). If we were to separate these eight cells and attempt […]

Margot is a 25-year-old, recreationally active female who is just beginning to train for a half marathon. She weighs 128 lbs and is 5’4″ tall. She comes to you for advice regarding her training diet. She tells you that she currently does most of her long runs first thing in […]