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Myoglobin and hemoglobin both contain hydrophobic residues, but their distributions and roles differ due to their functions and structures. In myoglobin, hydrophobic residues are primarily located within the interior of the protein, stabilizing its compact structure and facilitating oxygen binding. In hemoglobin, hydrophobic residues also contribute to the stability of the protein, but they play a crucial role in the cooperative binding of oxygen through interactions between subunits. Thus, while both proteins have hydrophobic residues, their specific arrangements and functional implications vary according to their distinct roles in oxygen transport and storage.
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What is an iron containing protein called?
An iron-containing protein is called a heme protein, which includes hemoglobin and myoglobin. These proteins are crucial for transporting and storing oxygen in the body.
How many oxygen molecules bind to myoglobin?
1 Each myoglobin molecule has one heme group and can bind one oxygen molecule. Hemoglobin on the other hand can bind up to 4 molecules of oxygen.
Why is it significant that keratin and collagen are fibrous proteins and myoglobin and hemoglobin are globular proteins?
Keratin and collagen are fibrous proteins, providing structural support and strength to tissues like hair and skin. Myoglobin and hemoglobin are globular proteins, designed for carrying and binding molecules like oxygen in the blood. The difference in their structures reflects their specific functions in the body.
What protein inside red blood cells binds oxygen?
Hemoglobin is the protein inside red blood cells that binds with oxygen. It consists of four protein subunits, each containing a heme group that can bind to oxygen molecules.
What is irons main function in the body?
hemoglobin and myoglobin are 2 types of iron in the human body.
One advantage hemoglobin has over myoglobin as a respiratory pigment is that?
Cooperative binding. Hemoglobin can load and unload oxygen better than myoglobin. So it is kore sensitive to changes in the environment, vs. Myoglobin
A mineral that is a component of hemoglobin myoglobin and cytochromes is?
iron. thanks for this quick answer.
What red protein is related to hemoglobin that supplies O2 molecules?
Myoglobin
What is the percent similarity of myoglobin and hemoglobin How much are they alike?
Myoglobin and hemoglobin are structurally similar proteins, with around 20% sequence similarity. They both contain heme groups that bind oxygen, but hemoglobin is found in red blood cells and is responsible for transporting oxygen, while myoglobin is found in muscle tissue and is involved in storing and transporting oxygen within muscles.
What does myoglobin do for muscles?
Myoglobin's function is similar to that of hemoglobin, which carries oxygen in red blood cells to various tissues. Myoglobin has even higher affinity for oxygen than hemoglobin and is specific to muscle cells. Myoglobin thus acts as a storage of oxygen, as it holds oxygen inside heart and skeletal muscles.
What compound stored oxygen inside skeletal muscle cells?
keratinThe correct answer is NOT keratin... the correct answer is myoglobin. This is the oxygen-binding pigment in muscle.
What is the difference between haemoglobin and myoglobin?
Hemoglobin is a protein in red blood cells that carries oxygen from the lungs to the rest of the body, while myoglobin is a protein found in muscle cells that stores oxygen for muscle use. Hemoglobin has a higher oxygen affinity and is responsible for transporting oxygen, whereas myoglobin releases oxygen for muscle metabolism when needed.
What is the iron containing protein that is found in red blood cells and carries oxygen from the lungs?
The iron-containing protein found in red blood cells that carries oxygen from the lungs is called hemoglobin. It is responsible for binding to oxygen in the lungs and transporting it to tissues throughout the body.
Difference of myoglobin and hemoglobin?
myoglobin: the molecule is compact there is no water inside it with the exception of a very small number(less than 5) of single water molecules presumably trapped at the time the molecules is folded up. hemoglobin: it iz 4 times larger than myoglobin. it is spherical molecule formed by 4 subunits which are identical in pairs . each subunits has a conformation closely resembling that of myoglobin and the aggregation is held together by extensive van der waals forces.
What is an iron containing protein called?
An iron-containing protein is called a heme protein, which includes hemoglobin and myoglobin. These proteins are crucial for transporting and storing oxygen in the body.
How many oxygen molecules bind to myoglobin?
1 Each myoglobin molecule has one heme group and can bind one oxygen molecule. Hemoglobin on the other hand can bind up to 4 molecules of oxygen.
Why myoglobin has high affinity to oxygen?
Myoglobin has a high affinity for oxygen due to the heme group present within its structure, which can form strong bonds with oxygen molecules. The heme group has a distal histidine residue that stabilizes the bound oxygen molecule, contributing to the high affinity of myoglobin for oxygen. Additionally, myoglobin has a hydrophobic pocket that further enhances its ability to bind oxygen tightly.
