Enzyme Foldable 1 2 3 4 5 Fold

Enzyme Foldable 1. 2. 3. 4. 5. Fold your paper and label as follows: Front What is an Enzyme? Parts of an Enzyme Action Energy Use Factors that Affect Enzyme Function 1 2 3 4 Back 5

1. What is an Enzyme? Define Function A protein that acts as a chemical catalyst. Speeds up chemical reactions using less energy than without the use of an enzyme Enzymes Special Feature There is a specific enzyme for every chemical reaction that takes place within an organism What does it look like? A lock-and key model

2. Enzyme Parts • Enzyme – protein that acts as a catalyst • Active Site - the specific region of the enzyme which combines with the substrate • Substrate – the “chemical reaction” the enzyme works on • Product – the outcome of the enzyme action

3. Enzyme Action What is an Enzyme Substrate Complex? In a chemical reaction, the step where a substrate binds to the active site of an enzyme Watch the following video clip: http: //highered. mcgrawhill. com/sites/0072495855/student_view 0/c hapter 2/animation__how_enzymes_work. h tml

4. Energy Use With & Without an Enzyme

5. Factors that Affect an Enzyme • • Temperature – all enzymes have an optimum temperature at which they perform p. H - extreme changes in p. H can cause enzymes to denature making them unable to function Enzyme concentration – increase the rate of reaction only until substrate is used up Substrate concentration – will only have an affect if it is a limiting factor; meaning it is stopping a reaction from occurring Temperature’s Affect on Enzymes p. H’s Affect on Enzymes Watch the following video: http: //www. youtube. com/watch? v=D 2 j 2 KGw. JXJc&safe=active