Imagine that you are a genetic counselor, and a couple planning to start a family comes to you for information. charles was married once befor, and he and his first wife had a child with cystic fibrosi. the brother of his current wife, elaine died of cystic fibrosis. what is […]

You are a neurologist and perform a patellar reflex on each side of the body in one of your patients. You notice that the left side reflex doesn’t work. The patient can feel a gentle sweeping motion on the thigh in both legs, cannot voluntarily kick the left leg, and […]

“DNA and RNA, Genes, Mutations, and Gene Therapies” Note: Online students, please respond to one of the following four bulleted items. • Examine three differences between DNA and RNA then explain two main reasons why DNA is the most favorable molecule for genetic material. Next suggest how RNA compares to […]

1. What major movements of ions account for each phase of the action potential of a typical myocardial cell? 2. Why is the cardiac action potential propagated more slowly in an AV node cell then in an atrial or ventricular myocyte? 3. By what pathway does a cardiac impulse that […]