Enzyme Practice Questions

Based on the graph, which of the following could be used to increase the reaction rate beyond point C?

• increase the amount of substrate

• add more water

• increase the temperature

• decrease enzyme concentration

Tags

NGSS.HS-PS1-5

The part of the enzyme where the substrate binds is called the:

• A. active site

• B. catalyst

• C. inhibitor

• D. enzyme

Enzymes are composed of what organic molecule?

• A. sugars

• B. proteins

• C. fatty acids

• D. Nucleic Acid

Tags

NGSS.HS-LS1-6

In what way could you increase the rate of the reaction as it takes place in image C.

• add more substrate

• add more enzyme

• remove enzymes

• remove substrate

Drag the correct vocab term to each spot.

b

c

d

a

Substrate

Enzyme

Products

Active site

Drag each option to either TRUE or FALSE.

Groups:

(a) TRUE

,

(b) FALSE

• Enzymes change shape after a reaction occurs.

• Enzymes interact with specific substrates.

• Enzyme reactions can be slowed or stopped using inhibitors.

• Enzymes speed up reactions.

• One enzyme can be used for many different types of chemical reactions.

Tags

NGSS.HS-PS1-5

Raising the temperature slightly will ​ (a)   the rate of reaction. However, extremely high temperatures will ​ (b)   the rate of reaction (denature).

• increase
• decrease

Tags

NGSS.HS-PS1-5

Freezing temperatures will ____________ the rate of reaction.

• increase

• decrease

• not change

Tags

NGSS.HS-PS1-5

Changing the pH towards the optimal pH will ______________ the rate of reaction.

• increase

• decrease

• not change

Which of the following would INCREASE the rate of reaction? Select 2 (two) choices.

• Adding more enzyme

• Adding an inhibitor

• Adjust pH to optimal level

• Freezing (lowered) temperatures