Enzyme HW

What do enzymes do?

• Build things up or break them down

• Help filter waste from the body

• Create environments where food can be eaten

• Add and remove water

Which category of macromolecules do enzymes belong to?

• Carbohydrates

• Proteins

• Fats/Lipids

What does an enzyme need in order to work properly?

• The right amount of oxygen & CO2

• The right temperature & amount of water

• The right temperature & pH

• The right temperature & pressure

Enzymes are specific. This means that an enzyme only works with molecules that are....

• the right size and shape

• broken down already

• present in water

• too big for the body to handle

What is the arrow pointing to on the picture?

• Enzyme

• Substrate

• Active Site

• Product

What is the arrow pointing to on the picture?

• Enzyme

• Substrate

• Active Site

• Product

What is the arrow pointing to on the picture?

• Enzyme

• Substrate

• Active Site

• Product

What is the arrow pointing to on the picture?

• Enzyme

• Substrate

• Active Site

• Product

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

• reusable
• catalyst
• specific
• fragile

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.