Jack is often very sullen and severely depressed. Sometimes he will go days without getting out of bed. Yet every so often he has a burst of energy, lasting a week or two, when he doesn't sleep more than a couple of hours a day. During these times, he often starts major renovation projects in his house, knocking down walls and tearing up floors in order to make his house into a "mansion." What disorder is Jack MOST likely exhibiting?

Awoman comes to your genetic counseling center because she knows that huntington disease occurs in members of her family. her paternal grandfather was afflicted, but so far her father shows no symptoms. her two great-great grandmothers on her father's side were healthy well into their 90s, and one of her great-great grandfathers died of unknown causes at 45. testing for huntington disease is extremely expensive, but she is concerned that she may fall victim to this disease and wants to plan her life accordingly. after examining her pedigree you advise her to

Place a check mark in the box to indicate which type of mutation is being shown. super urgent

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?