09, 10. Metabolism & Enzymes - Online Quiz 1

Identify a substance used to immobilise enzymes

• Calcium chloride
• Sodium alginate
• Sodium hydrogen carbonate
• Polymerase

Identify a substance used to harden immobilised enzymes

• Calcium chloride
• Sodium alginate
• Sodium hydrogen carbonate
• Polymerase

Enzymes losing their shape and functions are said to be "denatured"

• Correct
• Incorrect

All enzymes are composed of proteins

• True
• False

Which of the following affect enzyme activity (pick 2)

• Concentration
• pH
• Temperature
• Water

Name the enzyme found in celery

(a)  

What is the substrate of catalase?

• Hydrogen peroxide
• Oxygen gas
• Washing up liquid
• Buffer solution
• Water

The total volume of the foam produced is a measure of enzyme activity

• True
• False

Label the axis (pick 2)

• X = rate
• X = temperature
• Y = rate
• Y = temperature

Name the nitrogenous base found in NAD

• Adenine
• Thymine
• Guamine
• Cytosine