Protein Structure

which of the following terms refers to the order in which amino acids are linked together in a protein.

• Primary

• Secondary

• Tertiary

• Quaternary

The chain of amino acids folds and coils on itself

• Primary

• Secondary

• Tertiary

• Quaternary

The entire polypeptide forms a three-dimensional structure

• Primary

• Secondary

• Tertiary

• Quaternary

Two or more polypeptides attached together and work as one unit

• Primary

• Secondary

• Tertiary

• Quaternary

What is a peptide bond?

• Bond that holds two amino acids together.
• A bond that holds hydrogen and oxygen molecules together.
• A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
• A bond that is formed by the sharing of electrons.

What is the monomer of proteins?

• amino acids
• polypeptides
• nucleotides
• monosaccharides

The diagram shows a bond forming between two amino acids. What is the name of this reaction?

• Condensation

• Hydrolysis

• Pepysis

• Oxidation

The two types of folding in the secondary structure are.....

• alpha-helix & beta-pleated sheets
• polypeptide & nucleotide
• globular & fibrous

The main bonding in the secondary structure of a protein is due to.....

• covalent bonding
• ionic bonding
• hydrogen bonding
• polar bonding

The tertiary structure folding in proteins is primary due to the interactions of....

• the 'R' groups
• the 'P' groups
• the 'A' groups
• the 'S'