Hemoglobin and Movement of Oxygen: Introduction
About the Lecture
The lecture Hemoglobin and Movement of Oxygen: Introduction by Kevin Ahern, PhD is from the course Amino Acid Metabolism.
Included Quiz Questions
Which of the following is true regarding hemoglobin?
- It is important to animals with widely varying oxygen needs.
- It can only carry one oxygen molecule at a time.
- It provides oxygen for less efficient ATP synthesis.
- It contains magnesium in the heme group.
- It is made up of two alpha subunits and one beta subunit.
Which of the following is true regarding hemoglobin heme?
- It binds oxygen in the Fe++ form.
- It has ferrous iron in the methemoglobin form.
- It is comprised of amino acids.
- Ferric iron is responsible for oxygen binding.
- Heme has five subunits.
Which of the following is true regarding heme?
- The iron in heme is covalently bound to histidine in a globin subunit.
- The binding of oxygen raises the entire heme group.
- The iron is bound by four nitrogens of the protoporphyrin ring and by the cysteine below.
- The protoporphyrin ring is oval-shaped in the absence of oxygen.
- Oxygen has no effect on the position of the iron in the heme group.
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Author of lecture Hemoglobin and Movement of Oxygen: Introduction
Kevin Ahern, PhD
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great lecture
By Shoug N. on 03. May 2017 for Hemoglobin and Movement of Oxygen: Introduction
The professor was very clear and his tone was lively :)
