Proteins Quiz

What are the building blocks of proteins?

• Carbohydrates

• Lipids

• Amino acids

• Nucleotides

Which of the following is a function of proteins?

• Energy storage

• Enzyme catalysis

• Water proofing

• Information storage

What type of bond connects amino acids in a protein?

• Hydrogen bond

• Peptide bond

• Ionic bond

• Covalent bond

Which protein is responsible for oxygen transport in the blood?

• Insulin

• Hemoglobin

• Collagen

• Myosin

What happens when a protein is exposed to extreme heat or pH?

• It becomes stronger

• It denatures (loses its shape)

• It gains new functions

• It multiplies

Which of the following is an example of protein denaturation?

• Dissolving salt in water

• Freezing meat

• Cooking an egg

• Cutting an apple

Proteins are made up of smaller units called __________.

The __________ structure of a protein refers to its unique sequence of amino acids.

A protein that helps speed up chemical reactions is called an __________.

__________ is a structural protein found in connective tissues, such as skin and cartilage.