Heme groups - Study guides, Class notes & Summaries

NGN ATI RN Pediatrics Exam 2023 A V1 | Questions and Verified Answers| 100% Correct| Grade A Q: A nurse is caring for a school-age child who is receiving chemotherapy and is severely immunocompromised. Which of the following actions should the nurse take? Answer: Screen the child's visitors for indications of infection. Rationale: A child who is severely immunocompromised is unable to adequately respond to infectious organisms, resulting in the potential for overwhelming infection. ...

BIOCHEM ACS STUDY GUIDE QUESTIONS AND ANSWERS 2024. Each of the following subcellular structures contains DNA EXCEPT A. the nucleus. B. ribosomes. C. chloroplasts. D. mitochondria. - ANSWER- B In plant and animal cells, the three-dimensional integrity of the cell is maintained, in part, by an internal network of filaments called A. the cell wall. B. the Golgi apparatus. C. the cytoskeleton. D. the endoplasmic reticulum. - ANSWER- C Of the following, which are prokaryotes? A. viruses...

ACEDS/ACTUAL EXAM LATEST VERSION WITH VERIFIED QUESTIONS AND ANSWERS GRADED A+ Henderson-Hasselbach Equation - ANS--pH = pKa + log ([A-] / [HA]) FMOC Chemical Synthesis - ANS--Used in synthesis of a growing amino acid chain to a polystyrene bead. FMOC is used as a protecting group on the N-terminus. Collagen - ANS--Repeating sequence of Gly-X-Pro. 3 stranded "coiled coil". Contains gly core. Myoglobin 4° Structure - ANS--Symmetric homodimer, Salting Out (Purification) - ANS--Changes...

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...

What neurotransmitter stimulates release of epinephrine from adrenal medulla? - Answer- acetylcholine What is a metabolite if epinephrine that suggests epi-secreting carcinoma? What is another assoc symptom? - Answer- metanephrine; assoc with HBP What does acetazolamide (carbonic anhydrase ib) treat? - Answer- glaucoma, epilepsy, altitude sickness, congestive heart failure can cause dehydration Sickle cell anemia is due to... - Answer- pt mutation of Glu -> val What is a major ne...

WGU C624 Biochemistry Module 3, Exam Questions and answers, 100% Accurate. VERIFIED. Describe the functions of hemoglobin and myoglobin. - -Hemoglobin transports oxygen, Myoglobin stores oxygen. The correct number of subunits, heme groups, iron and oxygen that bind to hemoglobin versus myoglobin. - -Hemoglobin has: 4 subunits 4 heme groups 4 iron molecules binds 4 molecules of oxygen. Myoglobin has: 1 subunit 1 heme group 1 iron molecule binds 1 molecule of oxygen. Cooperat...

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...

BIOCHEMISTRY ACS EXAM QUESTIONS WITH 100% CORRECT ANSWERS Unfolds proteins and gives them uniform negative charge. - answerSDS Reacts with the N-terminus of the protein to produce a 2,4-dinitrophenol derivative that labels the first residue. Can repeat hydrolysis to determine sequential amino acids - answerFDNB Reduces disulfide bonds. - answerDTT Adds carboxymethyl group on free -SH groups. Blocks disulfide bonding. - answerIodoacetate Bonds between two -SH groups that form between 2°...

BIOCHEMISTRY ACS EXAM QUESTIONS WITH 100% CORRECT ANSWERS Unfolds proteins and gives them uniform negative charge. - answerSDS Reacts with the N-terminus of the protein to produce a 2,4-dinitrophenol derivative that labels the first residue. Can repeat hydrolysis to determine sequential amino acids - answerFDNB Reduces disulfide bonds. - answerDTT Adds carboxymethyl group on free -SH groups. Blocks disulfide bonding. - answerIodoacetate Bonds between two -SH groups that form between 2°...

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 ...