Enzymes

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up chemical reactions

• control how many reactions occur

What part of an enzyme does the substrate bind to?

• voltage-gated channels
• surface receptor
• calcium channels
• active site

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 amount of energy needed to do the reaction

• increasing the temperature of the cell

• increasing the concentration of reactants

What is structure A?

• Substrate
• Active site
• Enzyme
• Products

What is structure D?

• Substrate

• Active site

• Enzyme

• Products

What is structure C?

• Substrate
• Active site
• Enzyme
• Products

What are structures E, F, G?

• Substrate
• Active site
• Enzyme
• Products

Enzymes are called ___ because they speed up the rate of chemical reactions

• reusable

• catalyst

• specific

• fragile

Each enzyme only has 1 substrate that will fit its active site because enzymes and their substrates have _______ shapes that must fit together like a lock and it's key

• reusable
• catalyst
• specific
• fragile

Amylase, protease, lipase, lactase, maltase are all enzymes. How can you tell?

• Enzymes typically end with the letters "ose"

• Enzymes typically end with the letters "ase

• Enzymes typically end with the letters "ese

• Enzymes typically end with the letters "tic