Anemias - Corso - Hemo exam 1

Match the following levels of protein organization with their descriptions

• Secondary

• Multi-subunit assembly

• Tertiary

• Folding of polypeptide chains

• Quaternary

• α helix and β sheets

• Primary

• Amino acid sequence

Match the following levels of protein organization with major bonds

• Secondary

• Peptide bonds

• Primary

• Hydrogen bonds

• Tertiary

• Disulfide bonds, hydrogen bonds, and hydrophobic bonds

• Quaternary

• Interaction of multiple subunits. Hydrophobic bonds, ionic forces, crosslinks, hydrogen bonds

Which of the following functional groups come together in the formation of a peptide bond

• Amine

• Carboxylic acid

• Amide

• Keytone

• Aldehyde

A peptide bond is which type of bond

• Hydrogen bond

• Ionic bond

• Covalent bond

Which of the following bonds has the least amount of rotation

• Phi

• Peptide bond

• Psy

The partial double bond character of a peptide bond and steric of different amino acids allow for many different combinations of structures

• True

• False

Answer explanation

The steric and partial double bond character will limit possible combinations

Hemoglobin has disulfide bridge bonds that help with protein folding and multi subunit assembly

• True

• False

Answer explanation

Hemoglobin does not have disulfide bridges

Which of the following is the primary structure

• Alpha helix

• Protein folding

• Protein assembly

• Amino acid sequence

• Beta turn

Which of the following is the tertiary structure

• Alpha helix

• Protein folding

• Protein assembly of multiple subunits

• Amino acid sequence

• Beta turn

Which of the following is the quaternary structure

• Alpha helix

• Protein folding

• Protein assembly of multiple subunits

• Amino acid sequence

• Beta turn