Enzymes

What is a substance called if it speeds up a chemical reaction (also known as an enzyme)?

• reusable

• catalyst

• specific

• fragile

With what 3 letters do enzymes typically end?

• -ose
• -ase
• -ese
• -tic

Tags

NGSS.MS-LS1-7

The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?

• Enzymes increase the energy of the reactants.

• Enzymes decrease the energy level of the products.

• Enzyme decrease the activation energy of the reaction.

• Enzymes reverse the direction of the reaction.

Tags

NGSS.HS-PS1-4

Which of the following conclusions can be drawn from this graph?

• The optimum pH of the enzyme is 6.6.

• The optimum pH of the enzyme is 5.8

• The enzyme’s activity increases as pH increases 5.0 to 9.0

• The enzyme’s activity is greater around pH of 8.0 .

Any substance that is acted upon by an enzyme is called a(n)? (thing that fits into the enzyme)

• Coenzyme

• Substrate

• Vitamin

• Polypeptide

Tags

NGSS.HS-LS2-5

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

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' environment is different from their ideal (liked) pH?

• The enzymes die.

• The shapes of the enzyme are altered denature

• The enzymes' amino acid sequence changes.

• The enzymes remain the same

Which of these is most likely an enzyme?  

• Sucrose
• Galactose
• Fructose
• Amylase

Tags

NGSS.MS-LS1-7