Acid rain has been killing plant life which provides oxygen which is a necessary element that all animals need to live. ... The fuel cell will most likely compete with many other types of energy conversion devices, including the gas turbine in power plants, the gasoline engine, and the battery. ... Some types of fuel cells show promise for use in power generation plants. ... A fuel cell has four basic parts. ... In the process of a fully functioning fuel cell, pressurized hydrogen gas enters the fuel cell on the anode side. ...

• Word Count: 1106
• Approx Pages: 4
• Grade Level: High School

As it is known, light is one of the primary materials needed for successful photosynthesis in plants. ... Photosynthesis requires several raw materials in order to function. ... The resulting product is sugar, which is stored for further usage by the plant as fuel for the growth process requiring respiration. ... The plant was purred in a blender which obliterated the cell structure, allowing the internal organelles to be separated from each other through the process of centrifuge. Low speed centrifuge was used to filter out and pellet the large cell debris, the mixture formally known as...

• Word Count: 903
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

They are an important source of energy for plants, animals and humans. ... The protein hemoglobin carries oxygen to cells. ... They are a major constituent of most cells. ... RNA enables a cell to use the DNA blueprints to build proteins. ... Examples of steroids are cholesterol, which functions in many ways. ...

• Word Count: 728
• Approx Pages: 3
• Grade Level: Undergraduate

Carbon travels through a cycle in which it goes from the atmosphere to plants to animals. ... Carbohydrates make up a large portion of chemical compounds found in plants and animal cells. ... They are the primary product that a plant releases when photosynthesis is performed. ... They serve as a source of energy and it is an important component of the cell. ... Every cell in our body requires protein to function and structure itself. ...

• Word Count: 653
• Approx Pages: 3
• Grade Level: High School