Proteins

What is a protein: 

• A polymer composed of many sugars.
• A polymer composed of many amino acids. 
• A polymer composed of fatty acids. 
• A polymer composed of nucleotides. 

This is one job proteins do NOT have in the body

• storing genetic information
• structure
• speeding up chemical reactions

• transporting things through cell membranes

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

What is a long chain of amino acids called?

• Polysaccharide

• Lipid

• Carbohydrate

• Polypeptide

• Nucleic acid

What is the name of the bond that joins two amino acids together?

• Ester bond

• Glycosidic bond

• Peptide bond

• Nucleic bond

How many different amino acids are there?

• 15
• 20
• 25
• 30

Which protein structure describes the sequence of amino acids?

• Primary

• Secondary

• Tertiary

• Quaternary

Alpha helix and beta sheet are examples of what type of protein structure?

• Primary

• Secondary

• Tertiary

• Quaternary

Which protein structure describes a protein's three-dimensional shape?

• Primary

• Secondary

• Tertiary

• Quaternary

Which protein structure is only found in proteins with more than one polypeptide chain?

• Primary

• Secondary

• Tertiary

• Quaternary