... little need to chew them, since digestive enzymes can act directly on animal cells. Herbivores must pulverize the cellulose cell walls of plant tissue before digesting it; the teeth are large and flat, with complex ridges that are well suited for grinding. Humans are omnivores, ... causing a condition called edema. One of the most important blood constituents whose levels are regulated by the liver is glucose. This regulatory function is essential in vertebrates since neurons in the brain depend almost exclusively upon glucose as an energy source. These cells can store very little ... ...

• Word Count: 9019
• Approx Pages: 36
• Has Bibliography
• Grade Level: Undergraduate

How the Molecular Structure of Carbohydrates, Proteins and Lipids affect their function in living things. Living cells contain many small molecules such as water and inorganic ions like nitrogen. They also contain a vast number of larger molecules, called macromolecules that are built ... immediate supply of glucose is used up the body restores its supplies by breaking down glycogen. Cellulose is an example of a structural polysaccharide, and it gives strength and rigidity to plant cell walls. Cellulose molecules are long unbranched chains of containing glycosidic linkages of B-glucose. The ...

• Word Count: 1230
• Approx Pages: 5
• Grade Level: Undergraduate