Cell Bio - Catalysts and Enzymes

Question 1

• What is a substrate
• What is a product?

Answer 1

• the chemical(s) that enzymes act upon
• the chemical(s) produced by the action of an enzyme

Question 2

Define the active site of an enzyme

Answer 2

The part of an enzyme that one or more substrate molecules can attach to. It is a complementary shape to the substrate.

Question 3

• Why are enzymes important to animals?
• What is an enzyme-substrate complex form?

Answer 3

• If reactions in the body happen too slowly, the cell may die, which could harm the multicellular organ if the cell is part of one.
• Temporary molecule formed when the substrate binds to the enzyme.

Question 4

What is the specific substrate and product(s) of Catalase?

Answer 4

• Substrate - Hydrogen Peroxide
• Products - Water + Oxygen

Question 5

What is the specific substrate and product(s) of Phosphorylase?

Answer 5

• Substrate - Glucose-1-Phosphate
• Products - Starch

Question 6

What is the specific substrate and product(s) of Amylase?

Answer 6

• Substrate - Starch
• Products - Maltose