Write two or more multiple-choice questions about enzymes. For each question, give four answers to choose from A, B, C and D. Write answers to your questions on a separate piece of paper. 

Write a multiple choice question for each of the following sets of answers. Write the correct answer to your question (A, B, C or D) on a separate piece of paper.

A: amylase  B: catalase

C: lipase  D: protease

Write a multiple choice question for each of the following sets of answers. Write the correct answer to your question (A, B, C or D) on a separate piece of paper.

A: denatured   B: killed

C: slowed down  D: speeded up

Write a multiple choice question for each of the following sets of answers. Write the correct answer to your question (A, B, C or D) on a separate piece of paper.

A: active  B: catalyst

C: chemical   D: metabolic