Enzyme Structure and Function

What is a substance called if it speeds up a chemical reaction without itself being used up in the process?

• reusable
• catalyst
• specific
• fragile

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

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

• reusable
• catalyst
• specific
• fragile

In the diagram, what is letter A? 

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

Letter D...

• active site
• enzyme
• substrate
• products

Tags

NGSS.MS-LS1-7

Letter B...

• active site
• enzyme
• substrate
• products

Letter C...

• active site
• enzymes
• substrate
• products

Letter E...

• active site
• enzyme
• substrate
• products

An enzyme speeds up a reaction by

• lowering the activation energy.
• raising the activation energy.
• releasing energy.
• absorbing energy.

Tags

NGSS.HS-PS1-5

What happens when enzymes are heated to a high temperature?

• The enzymes die.

• The shape of the active site is changed and the enzyme denatures

• The enzymes' amino acid sequence changes.

• The shape of the enzyme changes and the active site denatures