is it true that aplha and beta are made up of same amino acids but Beta chain is longer than alpha chain？what is other difference and similarity？is the amino aicd sequence exactly the same as well？are their structure the same ？
is it true that aplha and beta are made up of same amino acids but Beta chain is longer than alpha chain？what is other difference and similarity？is the amino aicd sequence exactly the same as well？are their structure the same ？
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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is it true that aplha and beta are made up of same amino acids but Beta chain is longer than alpha chain？what is other difference and similarity？is the amino aicd sequence exactly the same as well？are their structure the same ？
Transcribed Image Text:**Hemoglobin Structure and Function**
Hemoglobin is a tetramer, consisting of four polypeptide chains: two alpha (α) chains and two beta (β) chains. The α-chains are shown in blue, while the β-chains are in green.
**Diagram Explanation**
The image is a three-dimensional structure of a hemoglobin molecule. Each polypeptide chain is displayed in a distinct color for clarity. The α-chains are indicated with the letter "α" and are colored in shades of blue. The β-chains, marked with "β," are represented in shades of green.
At the center of each subunit is a heme group, shown in red. The heme group contains an iron (Fe) atom, which is crucial for binding oxygen. The presence of the iron is highlighted with a label pointing to one of the heme groups in the α-chains. This iron ion is responsible for the red color of blood and the molecule's ability to carry oxygen efficiently throughout the body.
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