For many experiments, it is desirable to have a population of cells that are traversing the cell cycle synchronously. One of the first, and still often used, methods for synchronizing cells is the so-called doubled thymidine block. When high concentrations of thymidine are added to the culture fluid, cells in […]

This question involves Drosophila. Order and give the map distance for these three loci involved in this question: wingless (w) legless (l) buggy (b) The phenotypes indicated above are recessive. A cross between a wild-type female and a male that expresses all of the above recessive phenotypes gives the following […]

1) Anatomical Terminology Stump your classmates! This week, we are learning a new language, the language of anatomy! As with any new language, the best way to learn it is to use it! Practice by describing an injury or illness in anatomical terms and challenging your classmates to “translate” into […]

Part A: 1. Explain why a denatured protein no longer functions. 2. Identify the five molecules found in the plasma membrane and state their functions. 3. Identify four changes that occur to the skin and subcutaneous connective tissue as a result of aging, and state how these changes can be […]