UNE medical biochemistry Unit 1 Test Questions & Answers 2024

UNE medical biochemistry Unit 1 Test Questions & Answers 2024 Which of the following amino acid would not be commonly found in the middle of a an α-helical domain? - ANSWER-Proline. It is considered a 'helix breaker' and would not be found in an alpha helix; all other residues are nonpolar hydrophobic and could reside in a transmemebrane domain. Changes in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the following will lower the affinity of hemoglobin for oxygen? a) decrease in protons b) increase in 2,3 bisphosphoglycerate (BPG) c) increase in pH d) decrease in CO2 - ANSWER-Increase in 2,3 bisphosphoglycerate (BPG) A 22-year old female presents to the emergency department with acute abdominal pain. She indicates the pain came on rapidly in her mid-abdominal region. She has vomited several times over the last 4 hours. A diagnosis of acute pancreatitis is made and she is rushed to surgery. Elevation of which of the following serum enzymes would be consistent with this diagnosis? - ANSWER-Amylase Which of the following is the best description of primary protein structure? - ANSWER-A newly synthesized strand of amino acids Cleavage of fructose 1, 6-bisphosphate to dihydroxyacetone and glyceraldehyde 3-phosphate is achieved by what class of enzymes? - ANSWER-Lyase Which of the following amino acid would not be commonly found in the middle of a an α-helical domain? - ANSWER-Proline