Cell Biology Quiz

What is the function of antibodies?

• To speed up chemical reactions.

• To protect hair, skin, and nails.

• To fight diseases as part of the immune system.

• To act as chemical messengers.

What is the primary role of enzymes?

• To protect the body.

• To act as chemical messengers.

• To speed up chemical reactions.

• To fight diseases.

Which of the following is NOT a function of structural proteins?

• Protecting hair.

• Protecting skin.

• Acting as chemical messengers.

• Protecting nails.

What is the main function of receptors in cells?

• To protect the body.

• To act as chemical messengers.

• To detect signals in the cell membrane.

• To speed up reactions.

Which of the following is a characteristic of hormones?

• They are found in cell membranes.

• They protect the body.

• They travel through the blood to target organs.

• They speed up chemical reactions.

What is the role of antibodies in the immune system?

• To act as chemical messengers.

• To protect hair and skin.

• To fight diseases.

• To speed up chemical reactions.

What are enzymes made up of?

• Lipids

• Proteins

• Carbohydrates

• Nucleic acids

What does enzyme action result in?

• Reactants

• Substrates

• Products

• Inhibitors

What does the red line in the diagram represent?

• Pepsin

• Enzyme

• Catalase

• Lipase

What is the consequence of an enzyme being denatured?

• Increased activity

• Loss of activity

• Color change

• Multiplication