Proteins Enzymes _____________ are an example of proteins. Enzymes lower the _____________ ___________, the energy needed to get a reaction started. Thereby, helps speed up the reaction. Energy activation

A graph of enzyme activity

One year later The fire acts as a catalyst to begin the breakdown of the bonds that are holding the log fibers together. Similar to how an enzyme works. One year later

Enzymes are chemical reaction catalysts 1.) Catalysts: change the rate of a reaction without being consumed by the reaction.

Enzyme Low pH (acidic environment) What has happened to this enzyme? D ___ ___ A ___ U ___ E E N T R Denature= lose shape, can no longer be useful.

Enzymes List 3 ways in which enzymes help you: 1. amylase (found in your saliva) helps break down starch 2. lipase helps break down fats in your body (lipids) 3. lactase helps break down lactose in dairy products (carbohydrate) 4. protease helps break down proteins in your body

Enzymes Look at the following graph and determine the temperature at which this enzyme has the greatest rate of activity