Protein Quiz

What is the NH₂ (nitrogen-containing) group on this amino acid called?

• amino group
• R group
• carboxyl group

What type of protein would the collagen be?  (Collagen keeps your skin shaped smooth and your joints elastic.)

• structural
• storage
• transport
• contractile

Identify the element found in a protein that is not present in a carbohydrate

• Carbon
• Oxygen
• Hydrogen
• Nitrogen

What monomer of a protein is being shown?

• monosaccharide
• glycerol and fatty acids
• amino acid
• nucleotide

What is a type of protein that speeds up chemical reactions?

• sucrose
• insulin
• enzyme
• antibodies

Choose the protein

• C₅H₁₂O₆ 
• C₆H₁₂O₆ 
• C₃H₇NO₂ 
• C₂₆H₆₅O₃ 

Linking several amino acids together produces what polymer?

• polysaccharide
• polypeptide
• polynucleotide
• triglyceride

What are the bonds that connect amino acids in a protein called?

• peptide bonds
• ester bonds
• glycosidic bonds
• phosphodiester bonds