Investigating Enzyme Activity Quiz

What is the main function of enzyme catalase?

• Formation of oxygen

• Breakdown of water

• Breakdown of hydrogen peroxide

• Formation of hydrogen peroxide

Which of the following is a toxic substance that catalase helps to break down?

• Carbon dioxide

• Oxygen

• Water

• Hydrogen peroxide

What is the purpose of investigating the effect of temperature on enzyme catalase action?

• To measure the amount of oxygen produced

• To calculate the rate of reaction at different temperatures

• To count the bubbles produced

• To analyze the pH levels

What is the enzyme involved in investigating the effect of pH on enzyme amylase action?

• Amylase

• Hydrogen peroxide

• Starch

• Catalase

What is the calculation for determining the rate of reaction in the pH 5 investigation?

• 1/60

• 1/30

• 1/15

• 1/120

How can the rate of reaction be calculated from a graph?

• By analyzing the pH levels

• By calculating the gradient

• By measuring the amount of product made

• By counting the bubbles produced

What is the final rate for the given example of 10.4 grams per minute?

• 5.2 g/min

• 2.6 g/min

• 6.8 g/min

• 3.9 g/min

What is the main function of enzyme amylase?

• Breakdown of hydrogen peroxide

• Formation of starch

• Breakdown of starch

• Breakdown of sugar

What is amylase?

• digestive enzyme

• substrate

• simple sugar

• gas

Where is amylase produced in a human body?

• brain

• liver

• salivary glands

• stomach