Understanding Proteins: A Quiz

What is the basic building block of proteins?

• Nucleotides

• Amino acids

• Fatty acids

• Monosaccharides

Tags

NGSS.HS-LS1-1

Which of the following elements is NOT found in all proteins?

• Carbon

• Hydrogen

• Oxygen

• Phosphorus

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NGSS.HS-LS1-6

Which of the following best defines a protein?

• A molecule made of sugars

• A large molecule made of amino acids linked by peptide bonds

• A type of lipid

• A molecule that stores genetic information

Which element is always present in proteins but not in carbohydrates or lipids?

• Nitrogen

• Sulfur

• Phosphorus

• Calcium

Which of the following is a function of proteins in the human body?

• Storing genetic information

• Acting as enzymes to speed up chemical reactions

• Providing insulation

• Storing energy long-term

Which of the following is an example of a protein?

• Glucose

• Hemoglobin

• Cholesterol

• Cellulose

What type of bond links amino acids together in a protein?

• Hydrogen bond

• Peptide bond

• Ionic bond

• Glycosidic bond

Which of the following is NOT a characteristic of proteins?

• They are made of amino acids

• They contain nitrogen

• They are always soluble in water

• They have specific shapes

Which protein is responsible for transporting oxygen in the blood?

• Insulin

• Hemoglobin

• Keratin

• Amylase

Which of the following is a structural protein found in hair and nails?

• Collagen

• Keratin

• Myosin

• Albumin