Enzymes and Chemical Reactions

Front

The energy needed to start a chemical reaction

Back

Activation Energy

Front

Look at this reaction graph. Which of the following is NOT true of this reaction? Options: The reactants have lower energy than the product, This is showing an endothermic reaction, Activation energy was not needed for this to occur, The product has more energy than the reactants

Back

Activation energy was not needed for this to occur

Front

Which of the following statements is TRUE of enzymes?
- Enzymes are not found in living organisms
- Enzymes help to speed up chemical reactions
- Enzymes are made carbohydrates
- Enzymes increase the activation energy of a chemical reaction

Back

Enzymes help to speed up chemical reactions

Front

Enzymes help chemical reactions happen by _______ activation energy.

Back

decreasing

Front

In this diagram A is the

Back

enzyme

Front

Enzymes are also considered to be biological ____________

Back

catalysts

Front

The substance(s) that enter an enzyme and are either joined or broken apart

Back

Substrates

Front

The area of an enzyme where the substrate binds to the enzyme

Back

Active Site

Front

A temporary complex formed when an enzyme binds to its substrate molecule(s).

Back

Enzyme-Subsrate Complex

Front

In living things many enzymes are ________

Back

proteins