Hemoglobin and Movement of Oxygen: Introduction
Über den Vortrag
Der Vortrag „Hemoglobin and Movement of Oxygen: Introduction“ von Kevin Ahern, PhD ist Bestandteil des Kurses „Amino Acid Metabolism“.
Quiz zum Vortrag
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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Dozent des Vortrages Hemoglobin and Movement of Oxygen: Introduction
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
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The professor was very clear and his tone was lively :)
