Year 12 Bio

Year 12 Biology

Unit 3 - Enzyme Review​

Miss Price

Open Ended

What is a catalyst?

A substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

​What is a catalyst?

​Example:

Multiple Choice

Large molecules are broken down into smaller ones. Energy is released

• Catabolic

• Anabolic

Multiple Choice

Small molecules are assembled into large ones. Energy is required.

• Catabolic

• Anabolic

Multiple Choice

An enzyme is a......

• Amino acid

• Protein

• Atom

• Sugar

Fill in the Blank

Enzymes speed up biochemical reactions by ___________ the activation energy required to initiate a given reaction

Open Ended

Features of an enzyme.....

Multiple Choice

The role of an enzyme is to.....

• Speed up a chemical reaction

• Create a chemical reaction

Multiple Choice

Which of the following is an example of an enzyme.....

• Lactose

• ATP

• Glucose

• Catalase

Multiple Choice

What variable does this graph represent?

• pH

• Enzyme concentration

• Temperature

• Substrate concentration

Multiple Select

What variable does this graph represent?

• pH

• Enzyme concentration

• Temperature

• Substrate concentration

Multiple Choice

What variable does this graph represent?

• pH

• Enzyme concentration

• Temperature

• Substrate concentration

Fill in the Blank

____________ = a non-protein organic cofactor that assists enzyme function. They release energy and are recycled during a reaction.

Multiple Select

Which of the following are examples of coenzymes:

• NADPH

• ATP

• Lactase

• Fructase

Poll

Do you feel more confident with enzymes now!?

• Absolutely!

• Yes

• Somewhat

• Not at all