Heme prosthetic group - Study guides, Class notes & Summaries

UNIT 1 UNE CHEM 1005 EXAM QUESTIONS AND ANSWERS Hemoglobin binds oxygen with a greater affinity in the: R state Hemoglobin bound to heme is termed a holoprotein. The heme or porphoryin ring is required for oxygen binding and it is termed a: prosthetic group Alpha helices and beta sheets are primarily stabilized by: H bonding Ligases are a class of enzymes characterized by their ability to: synthesize bonds between carbon atoms and an additional atom that is involved in the cleavage of ...

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) Domains are common structural elements that retain a particular function within the protein. Which of the following is an example of a protein domain? a) a prosth...

HEME METABOLISM EXAM QUESTIONS AND ANSWERS...

UNE Medical Biochemistry Exam 1 Questions With 100% Correct Answers what percentage of water is in the body? - answer60% Relationship between protons and acids & bases - answerAcids donate proton. Bases accept proton Strong Acids Vs Weak Acids - answerStrong acids fully dissociate (100%) and weak acids partially dissociate properties of water - answerdipole dipole polar H bonding dissolves electrolytes ( CL /Na) Small Kd- doesn't dissociate alot kw ion product - answer10^-14 pH - a...

UNIT 1 - Quizzes and Exam, UNE medical biochemistry Unit 1 Test Exam Questions With Correct Answers Which of the following amino acid would not be commonly found in the middle of a an α-helical domain? - answerProline. 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. Whi...

Ligand correct answers A molecule which is reversibly bound by a protein; A small molecule that binds specifically to a larger one; for example, a hormone is the ligand for its specific protein ligand. Induced Fit correct answers Proteins or enzymes may undergo conformational changes when a lignand binds which alters the function of the protein; What do Myoglobin and haemoglobin contain? correct answers They contain a hem prosthetic group which binds oxygen. What does Heme consist of? c...

UNE medical biochemistry Unit 1 Test Questions & Answers 2024 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) Domains are common structural elements that retain a particular function within the protein. W...

UNIT 1 - Quizzes and Exam, UNE medical biochemistry Unit 1 Test Correctly Answered To Score A+ Which of the following amino acid would not be commonly found in the middle of a an α-helical domain? 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 fol...

UNE Medical Biochemistry Unit 1 Test Questions And Answers Graded A+. 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 - correct answer. Increase in 2,3 bisphosphoglycerate (BPG) Domains are common structural elements that retain a particular f...

UNE Medical Biochemistry Unit 1 Test Exam Questions With Verified Answers 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 - answerIncrease in 2,3 bisphosphoglycerate (BPG) Domains are common structural elements that retain a particular function within the prote...