Enzymes

Science Fact of the Day: The fungus Cordyceps is able to "mind-control" other insects like ants to climb plants and attach there to become its food.

CO: I will understand and describe the role of enzymes. LO: I will watch a video and take notes about enzymes. I will create an analogy for enzymes.

Enzyme: A Fun Introduction

Enzymes Notes A. Some chemical reactions are too slow B. A catalyst speeds up the rate of chemical reactions. I. Enzymes

C. Enzymes are proteins that speed up chemical reactions that take place in cells. 1. Enzymes act as catalysts 2. Enzymes are specific and only speed up one reaction 3. Enzymes are named after what they react with Ex: Alcohol dehydrogenase (an enzyme that takes water out of alcohol).

The Enzyme Lingo Enzyme: a protein that speeds up chemical reactions Catalyst: substance that speeds up the rate of a chemical reaction Substrate: the substances that reacts with the enzyme Active Site: place where the substrate bonds to the enzyme Enzyme-Substrate Complex: substance formed when the enzyme and substrate bond together (the “reactant” in the reaction…remember reactants and products?)

D. Enzymes: 1.regulate chemical reactions 2.make materials that cells need 3.release energy 4. transfer information.

E. Enzymes work best under certain internal conditions. F.Enzymes help maintain homeostasis in living organisms. G.Enzymes reduce the activation energy needed in a reaction and speed up the rate at which the reaction is completed.

Draw, color, and label this diagram Enzyme animation

Enzyme/Substrate Activity: Design your own connecting puzzle pieces to demonstrate an enzyme and substrate. Color them and label the following: enzyme substrate enzyme-substrate complex Then fill in the following analogy: Enzymes and substrates fit together like _______ and _______.