Enzyme Notes

Multiple Choice

Which biomolecules do enzymes belong to?

• Carbohydrates

• Lipids

• Proteins

• Nucleic Acids

Multiple Choice

Does you body use more or less energy with the use of enzymes? (look at graph)

• More

• Less

• No change

Drag and Drop

Enzymes ​

Placeholder

the rate of reaction (reaction happens faster) by ​

Placeholder

the activation energy needed.

Drag these tiles and drop them in the correct blank above

increase

decreasing

stay the same

no change

Hotspot

If enzymes follow the lock and key model, meaning enzymes are specific to their substates, which substate best fit the enzyme?

Multiple Choice

Will an enzyme work if it has been denatured?

• YES, the enzyme will continue to bind to substrates

• NO, the enzyme will not be able to bind to substrates

Multiple Choice

Which enzyme is going to break down proteins?

• Lipase
• Protease
• Amylase
• Cellulase

Dropdown

Enzymes belong to which biomolecule​

Select answer

Multiple Choice

The enzyme lactase breaks down the sugar lactose, what will the enzyme do after the reaction is complete?

• Lactase changes its structure and cannot be reused.
• The enzyme lactase can be reused.
• Lactase converts lactose into glucose permanently.
• The enzyme lactase is destroyed after the reaction.

Multiple Choice

What is the optimum pH for the enzyme salivary amylase?

• pH = 2

• pH = 6

• pH = 9

• pH = 8

Multiple Choice

What is the optimum pH for the enzyme pepsin?

• pH = 1

• pH = 6

• pH = 9

• pH = 8

Multiple Choice

Will the enzyme pepsin continue to work at a pH of 5?

• Yes, the enzyme will continue to work at a pH of 5.

• No, the enzyme will not continue to work at a pH of 5.

Labelling

Label the enzyme-substate model.

Drag labels to their correct position on the image

substrate

enzyme

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