BIOCHEMISTRY-ACHIEVE (1 TERM)
9th Edition
ISBN: 9781319402853
Author: BERG
Publisher: MAC HIGHER
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Chapter 7, Problem 9P
Interpretation Introduction
Interpretation:
The effect of the increased concentration of
Concept introduction:
The protein which contains oxygen and is present in the red blood cells in the body is known as hemoglobin. It contains iron as well.
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Among the given statements. which ones are true for hemoglobin?
Select the correct response(S).
It has ferrous cation that is coordinated by the electrophilic N atoms of the porphyrin ring.
It has 4 sub-units with each sub-unit binding an oxygen molecule with the same efficiency.
It has 4 sub-units with each sub-unit binding an oxygen molecule in an increasing efficiency.
It has ferric cation that is coordinated by the electrophilic N atoms of the porphyrin ring.
It has 4 sub-units with each sub-unit binding an oxygen molecule in a decreasing efficiency.
It has ferric cation that is coordinated by the nucleophilic N atoms of the porphyrin ring.
It has 4 sub-units with each sub-unit binding an oxygen molecule in a fluctuating efficiency.It has ferrous cation that is coordinated by the nucleophilic N atoms of the porphyrin ring.
Jog in place. Note the effect of body activity on the rate of breathing. How does exercise change breathing? Why?
Respiratory paralysis. Tabun and sarin have been used as chemical-warfare agents, and parathion
has been employed as an insecticide. What is the molec ular basis of their lethal actions?
Tabun
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Sarin
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Chapter 7 Solutions
BIOCHEMISTRY-ACHIEVE (1 TERM)
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biochemistry and related others by exploring similar questions and additional content below.Similar questions
- surfactant. She has signs of low oxygen and high carbon dioxide. Explain why the lack of surfactant would result in respiratory distress. Furthermore, what type of acid-base disorder might she develop and how would her body compensate. Be detailed in your explanation and support your answer with facts from your textbook, research, and articles from scholarly journals. In addition, remember to add references in APA format to your posts to avoid plagiarism.arrow_forwardThe Cori Cycle. Before vigorous exercise (at rest) the level of blood lactate is at its normal level (about 25 mM). During a 400 m sprint, the value rises sharply in less than a few minutes to about 200 mM and then declines slowly to around 40 mM over 60 mins after the sprint. a. Discuss (or illustrate) the pathway and reactions that cause the rapid increase in lactate concentration during the sprint. b. What causes the slow decline in lactate concentration after the sprint? Why does the decrease occur more slowly than the rapid increase? c. What enzymatic reaction is responsible for maintaining the lactate concentration above zero at recovery after the sprint?arrow_forwardSome terms will not be used. The prosthetic group of hemoglobin and myoglobin is The organic ring component of heme is Under normal conditions, the central atom of heme is In the central iron atom is displaced 0.4 Å out of the plane of the porphyrin ring system. The central atom has bonds: to nitrogen atoms in the porphyrin, one to a residue, and one to oxygen. Answer Bank Fe3+ three heme serine deoxyhemoglobin four Fe2+ oxyhemoglobin рoгphyrin histidine six cysteinearrow_forward
- Please ASAP. Thank you.arrow_forwardSpirometry. Which of the following represent the volume of air one cannot get out of the lungs even after forceful expiration? TV O ERV ORV O VCarrow_forwardReductive power. What ratio of NADPH to NADP+ is required to sustain [GSH] = 10 mM and [GSSG] = 1 mM ? Use the redox potentials given in Table 18.1 .arrow_forward
- Please help ASAP, thank you! "Which statement concerning this salt bridge is TRUE?"arrow_forwardRed blood cells synthesize and degrade 2,3-biphosphogylerate (2,3-BPG) as a detour from the glycolytic pathway, as shown in the figure.2,3-BPG decreases the oxygen affinity of hemoglobin by binding in the central cavity of the deoxygenated form of hemoglobin. This encourages delivery of oxygen to tissues. A defect in one of the glycolytic enzymes may affect levels of 2,3-BPG. The plot above right shows oxygen-binding curves for normal erythrocytes and for hexokinase and pyruvate kinase-deficient erythrocytes. Identify which curve corresponds to which enzyme deficiency.arrow_forwardRespiratory quotient (RQ). This classic metabolic index is defined as the volume of CO2CO2 released divided by the volume of 0202 consumed. Vo a. Calculate the RQ values for the complete oxidation of glucose and of tripalmitoylglycerol. b. What do RQ measurements reveal about the contributions of different energy sources during intense exercise? (Assume that protein degradation is negligible.)arrow_forward
- The primary allosteric regulator of hemoglobin oxygen affinity is ( ) and functions by stabilizing the ( ) state of enzyme.arrow_forward47. No exchange. Mice that completely lack ATP-ADP translocase (ANT- /ANT - ) can be made by using the knockout technique. Remarkably, these mice are viable but have the following pathological conditions: (1) high serum levels of lactate, alanine, and succinate; (2) little electron transport; and (3) a six- to eightfold increase in the level of mitochondrial H2O2 compared with that in normal mice. Provide a possible biochemical explanation for each of these conditions.arrow_forwardMULTIPLE CHOICE Biomolecules. Choose the best answer on the given choices.arrow_forward
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