Module- Case Stress Effects on the Excretory and Reproductive Systems Note: If you have trouble viewing some of the course materials, install Quicktime and the Adobe Shockwave Player, both of which can be downloaded free from the Internet. Case Assignment Now that you have reviewed the anatomy and physiology of […]

Please address the following questions related to the regulation of Eukaryotic gene expression: 1. How does histone acetylation influence gene expression in Eukaryotes? 2. How might mutations in the gene encoding TATA binding protein influence transcription in a Eukaryotic cell? 3. Please explain the role of basal promoters, enhancers/silencers, and […]

Background Biotechnology allows the use of living organisms or their processes for human needs or purposes. Currently, this topic includes such general examples as cloning, stem cells (adult, umbilical cord, and embryonic), DNA fingerprinting, biological warfare, bioremediation, genetically modified organisms, vaccines, and transgenic plants and animals to name a few. […]

1. About 13 different species of finches inhabit the Galápagos Islands today, all descendants of a common ancestor from the South American mainland that arrived a few million years ago. Genetically, there are four distinct lineages, but the 13 species are currently classified among three genera. The first lineage to […]