UNE Biochem 1005 Final Study Set Exam Questions And Answers All Verified

UNE Biochem 1005 Final Study Set Exam Questions And Answers All Verified 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-linked 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 Both myglobin and hemoglobin contain heme. Myoglobin contains ___ heme rings. Hemoglobin contains ___ heme rings -1,4 -1,1 -4,1 -4,4 1 and 4 Which of the following best describes protein domain? -a linker region between two a-helical structures -any location on a protein that has a disulfide bond -a relatively large pattern of three-dimensional structure that is recognized across many proteins -a small grouping of secondary structures A relatively large pattern of 3D structure that is recognized across many proteins In the R state, all 4 subunits of hemoglobin exhibit a ___ affinity for oxygen. In the T state, all 4 subunits exhibit a ___ affinity for oxyge