Exercise 1: Properties of a Finger Twitch.Question:How does the contraction time of a typical finger twitch compare to the relaxation time? Exercise 2: The Effect of Weight on Finger Twitches.Questions:1- Discuss how do the amplitudes of the finger twitches with different weights compare to each other?2- Explain why did the […]

Several months ago, a young woman fell while rock climbing and her left leg was wedged tightly into a crevice. The resulting injury was severe and required amputation below the knee. She has reported to her physician that she continues to suffer from phantom limb pain. Based on the scenario […]

2-types of signals have been implicated in metaphase checkpoint arrest. Consider the results of a recent experiment in which the unattached kinetochore of a monoattached chromosome was destroyed by a laser beam. It was found in this study that, following destruction of the kinetochore, the cell entered anaphase even though […]

Topic A: Researching Human Ancestry Fully answer the two questions below. Please use evidence to support your answers; and cite all sources used in your answers. (1) What are the advantages of using mitochondrial DNA and Y-chromosome DNA to trace human ancestries? How do molecular genetics complement or dispute the […]