1
National 5 Biology - Enzymes Questions and Answers | Latest Version | 2025/2026 | Correct & Verified
What type of molecule is an enzyme?✔✔A protein
What is the term for the specific shape where an enzyme binds to its substrate?✔✔Active site
What happens to an enzyme if the temperature gets too high?✔✔It becomes denatured
What is meant by "enzyme specificity"?✔✔Each enzyme only works with one specific substrate
What does the term "denatured" mean in relation to enzymes?✔✔The enzyme’s shape has changed so it no longer works
- / 2
2
What is the name of the molecule that an enzyme acts upon?✔✔Substrate
What is the name of the molecule produced after an enzyme reaction?✔✔Product
How do enzymes affect the activation energy of a reaction?✔✔They lower it
What happens to enzyme activity when the temperature is too low?✔✔The reaction slows down
What pH level does pepsin work best at?✔✔Around pH 2
Where in the human body does amylase work?✔✔In the mouth and small intestine
- / 2