UNE Biochem 1005 Final Study Set Questions With Complete Solutions.

UNE Biochem 1005 Final Study Set Questions With Complete Solutions. Which of the following best describes the structure of heme? -a nicotinamide structure that is readily oxidized -a negatively charged phosphate group -a planar porphyrin ring that binds iron -an n-link glycosylation A planar porphyrin ring that binds iron Covalent catalysis is used by many enzymes to cleave peptide bonds. Which of the following amino acids would not facilitate this type of catalysis? -valine -cysteine -serine -histidine Valine Which of the following proteins is likely to have quaternary structure? -a protein that contains both a-helix and b-sheet secondary structures -a multimeric protein that contains multiple peptide chains -a large transmembrane protein with seven a-helical domains -a small protein consisting of a single amino acid chain A multimeric protein that contains multiple peptide chains Which of the following amino acids would not be commonly found in the middle of an a-helix? -valine -leucine -tryptophan -proline Proline