Discussion: "Energy Sources and Energy for Life"

Note: Online students, please respond to one of the following three bulleted items.

• Discuss three types of energy sources used by cells then provide two examples of when / in what cells / situations your chosen energy sources are used. Next describe two forms of transport within the cell and the specific energy source used in each form of transport.

• The effectiveness of dieting has been debated for years. There are several diets available including Atkins, Zone, Carbohydrate, Weight - Watchers, Jenny Craig, Dukan, Mediterranean, or 22 Day Vegan. Choose two diets that were listed previously then explain four effects each of your selected diets has on one's energy and overall health including any hazardous effects.

• Review the animation on enzymes found here then in your own words define the term enzyme. Next choose one enzyme of your choice then determine its function in the body. In addition, discuss three advantages of having metabolic pathways in the cell and the specific role enzymes play in those processes.