Advanced biology Day 14: Introduction to enzymes

Chemical reactions always involve

• the breaking of bonds in reactants.
• the formation of new bonds in products.
• the breaking of bonds in reactants and the formation of new bonds in products.
• enzymes. 

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The substances listed on the right side of a chemical equation are the

• Yields
• Reactants
• Products
• Precipitates

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What type of reaction is this?

• Exothermic

• Endothermic

• Energy Producing

• No way to tell

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An enzyme speeds up a reaction by

• lowering the activation energy.
• raising the activation energy.
• releasing energy.
• absorbing energy.

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Enzymes are _____________?

• Hydrocarbons

• Hormones

• Lipids

• Proteins

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Which of the factors does NOT affect enzymatic activity?

• Temperature
• pH
• Concentration
• Color

The part of the enzyme that the substrate bonds to is called the _____.

• active site
• activation energy
• bond site
• peptide bond

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

• 15^oC
• 40^oC
• 30^oC
• 35^oC

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