Which amino acid in hemoglobin is essential for preventing carbon monoxidepoisoning?The distal histidineThe proximal histidineThe hemeThe coordinated iron1 UNANSWEREDQUESTION 1/12:48 / 2:49MacBook Pro

Amino acids are the building blocks of proteins. They're organic molecules having amino and…

Answered: Which amino acid in hemoglobin is…

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter35: Respiration

Section: Chapter Questions

Problem 8SA

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Similar questions

Oxyhemoglobin forms by a chemical reaction between which of the following? hemoglobin and carbon dioxide carbonic anhydrase and carbon dioxide hemoglobin and oxygen carbonic anhydrase and oxygen
A person was found to have very low levels of functional beta globin mRNA and therefore very low levels of the beta globin protein. What problems would this cause for assembling functional haemoglobin molecules?
A developing fetus gets oxygen from its mothers blood. Fetal capillaries run through pools of maternal blood in an organ called the placenta. As fetal blood runs through these capillaries, it exchanges substances with the maternal blood around the capillary. The hemoglobin made by a fetus is different than that made after birth. Fetal hemoglobin binds oxygen more strongly at low oxygen levels than normal hemoglobin. How would fetal hemoglobins somewhat higher affinity for oxygen benefit the fetus?
A molecule of hemoglobin ________.a. is shaped like a biconcave disk packed almostentirely with ironb. contains four glycoprotein units studded withoxygenc. consists of four globin proteins, each bound to amolecule of hemed. can carry up to 120 molecules of oxygen
Describe the function of each of the following in hemoglobin. Fe; Distal His; Proximal His; Alpha/beta interface; Protoporphyrin IX;
True or false Chemically-linked hemoglobin moelcules can stay in the blood for as long as 72 hrs. Cow hemoglobin can be safelty used by humans. Free hemoglobin produces vasoconstruction of blood vesselsand increases blood pressure in patients.
With the appearance of strong oxidizers in blood in erythrocytes one of the following substances is formed first of all: 1. carbhemoglobin 2. carboxyhemoglobin 3. oxyhemoglobin 4. methemoglobin 5. deoxyhemoglobin
The _____________ of hemoglobin is defined as the ratio of hemoglobin with bound oxygen to total hemoglobin.
Haemoglobin is an importantcomponent of _______.A. White blood cellsB. Red blood cellsC. PlasmaD. All options are correct
The binding affinity of hemoglobin for oxygen is... Weaker at lower pHs Stronger at lower pHs Less cooperative at lower pHs Independent of pH
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.
A given amount of blood have 19% O2 measured at 0 °C and 1.0 atm. Hemoglobin in the blood can carry up to four molecules of O2. Calculate how many molecules of hemoglobin is present in 1.0 L of blood.

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Which amino acid in hemoglobin is essential for preventing carbon monoxide poisoning? The distal histidine The proximal histidine The heme The coordinated iron