... interact at a specific active site on the enzyme, forming a temporary enzyme-substrate complex. However it is now clear that the active site of some enzyme molecules change shape when the substrate molecule attaches to it. This is known as the induced fit model'. When the substrate molecule ... are polysaccharides which form the support matrix in the plant cell wall structure. The pectins are broken down through hydrolysis into shorter molecules of Glacturonic acid; the acids can then be broken down further into other compounds such as sugars. Pectin is undesirable in fruit, their ... ...

• Word Count: 4222
• Approx Pages: 17
• Has Bibliography
• Grade Level: High School