Grade 10 quiz 1 about enzymes

1) Which of the following is not the factors that affect enzyme activity?

• Temperature

• ppH

• Substrate concentration

• The color of the solution

2) Enzymes are highly specific. What does this mean?

• They can work on a wide range of molecules

• They only bind to and act on one or a few specific molecules

• They can work at any temperature

• They are not affected by pH change

3) Enzymes are consumed during the chemical reactions they catalyze.

• True

• False

4) What is the primary functions of enzymes in biological system?

• To provide energy for cells

• To store genetic information

• To speed up chemical reaction

• To build cell structure

5) What happens to an enzymes shape at high temperature?

• It becomes more active

• It gets larger

• It denatures

• It stays the same