Enzymes

Enzymes

Take C-Notes as you go.

Answer the questions after you are done with your C-Notes (use the notes to answer the questions)

Multiple Choice

At high temperatures enzyme activity declines because of:

• Denaturation

• Increased H-Bonding

• Decreased Kinetic Movement

• Dissociation of Ionic COmpounds

Multiple Choice

Based on the graph, what is the optimal temperature for this enzyme?

• 15^oC

• 40^oC

• 30^oC

• 35^oC

Multiple Choice

An enzyme speeds up a reaction by

• lowering the activation energy.

• raising the activation energy.

• releasing energy.

• absorbing energy.

Multiple Choice

In a chemical reaction, ________ are what you have at the end

• Products

• Molecules

• Reactants

• Substances

Multiple Choice

Letter E...

• active site

• enzyme

• substrate

• products

Multiple Choice

Letter C...

• active site

• enzymes

• substrate

• products

Multiple Choice

Letter B...

• active site

• enzyme

• substrate

• products

Multiple Choice

Letter D...

• active site

• enzyme

• substrate

• products

Multiple Choice

This reaction shows a(n) ____________ reaction

• Catabolic

• Dehydration Synthesis

• Anabolic

• Halogenation

Multiple Choice

After the enzyme and substrate bind together and perform the reaction, what does the substrate become?

• a substrate

• an enzyme

• a product

• an active site

Multiple Choice

Any substance that is acted upon by an enzyme is called a(n)?

• Coenzyme

• Substrate

• Vitamin

• Polypeptide

Multiple Choice

What 3 letters do enzymes typically end in?

• -ose

• -ase

• -ese

• -tic

Multiple Choice

Enzymes are capable of increasing the rate of a chemical reaction within a living cell. Enzymes accomplish this through which of the following means?

• reducing the number of products

• reducing the activation energy

• increasing the temperature of the cell

• increasing the concentration of reactants

Multiple Choice

What is the purpose of an enzyme?

• give permission for the reaction

• raise activation energy

• speed up reactions

• control how many reactions occur

Multiple Choice

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid