Mrs Disney Y10- Biology Enzymes Quiz

What is a substance called if it speeds up a chemical reaction?

• reusable
• catalyst
• specific
• fragile

Each enzyme only has 1 substrate that will fit its active site.  What is this called?

• reusablility
• denaturation
• specificity
• fragility

With what 3 letters do enzymes typically end?

• -ose
• -ase
• -ese
• -tic

Tags

NGSS.MS-LS1-7

In the diagram, what is letter A? 

• product
• substrate
• enzyme-substrate complex
• active site

Enzymes are...

• nucleic acids
• proteins
• lipids
• carbohydrates

Tags

NGSS.MS-LS1-7

An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 

• true
• false

Tags

NGSS.MS-LS1-7

What is the function of an enzyme?

• enzymes break themselves into small pieces
• enzymes slow down chemical reactions
• enzymes speed up chemical reactions
• enzymes combine products to form reactants 

Tags

NGSS.MS-PS1-2

What happens when enzymes are heated to a high temperature?

• The enzymes die.
• The shapes of the enzyme are altered denature
• The enzymes' amino acid sequence changes.
• The enzymes remain the same

Tags

NGSS.HS-PS1-5

Which of these is NOT true?

• Enzymes can denature (change shape) when the temperature gets too high.
• Enzymes can only be used once in a chemical reaction. 
• Extreme pH can denature enzymes.
• Enzymes speed up chemical reactions. 

Tags

NGSS.HS-PS1-5

Which of these is most likely an enzyme?  

• Sucrose
• Galactose
• Fructose
• Amylase

Tags

NGSS.MS-LS1-7