AP Enzymes

What does an enzyme do?

• Decreases the activation energy of a reaction

• Increases the activation energy of a reaction

• Does not change the activation energy of a reaction

• Makes the reaction last longer

Tags

NGSS.HS-PS1-5

How does an enzymes shape relate to its function?

• the shape of the enzyme has no relation to its function

• the enzyme is shaped specially for certain substrates to perform a specific reaction

• the enzyme shape acts as a receptor to certain products

• the enzyme shape can fit into specific substrates to cease a reaction

What's going on in this picture?

• The enzyme is taking the red substrate and turning it blue

• The enzyme's active site is blocked by a competitive inhibitor

• The enzyme can't function if too many substrates are trying to bind

• This is an example of an anabolic enzyme reaction

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

• reusable

• catalyst

• specific

• fragile

Enzymes are an example of

• Lipids

• Carbohydrate

• Protein

• Nucleic Acid

Tags

NGSS.HS-LS1-1

An activor or inhibitor binding place that is not the active site, causing the enzyme to change conformation (shape) is an example of ...

• competative inhibition

• allosteric control

• optimum conditions

• induced fit

How do enzymes speed up chemical reaction?

• Increasing activation energy

• Decreasing activation energy

• Increasing deactivation energy

• Decreasing deactivation energy

Enzymes need certain environmental conditions in order to function properly.  What happens when enzymes are heated to a high temperature?

• they die

• they denature

• they change their amino acid sequence

• they work better

When a molecule can occupy the same active site as the substrate, a situation called __________________ can result

• Competitive lnhibition

• Allosteric Regulation

• Non-Competitive Inhibition

• Feedback Inhibition

A receptor site that a molecule can bind to that changes the shape of the active site is called a(n):

• Allosteric Site

• Active Site

• Activation site

• Reactant site