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Transferrin is a glycoprotein that functions as a plasma transport protein for iron. It binds to iron ions, facilitating their transport in the bloodstream to various tissues, including the liver and bone marrow, where they are used for processes like hemoglobin synthesis. Transferrin plays a crucial role in iron homeostasis and regulation in the body.
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What is a protein that carries iron through the circulation to the tissues?
Transferrin is a protein that binds to iron in the bloodstream and carries it to different tissues in the body. It plays a crucial role in transporting iron to cells that need it for various physiological functions.
Is transferrin saturation and iron saturation the same?
Yes, transferrin saturation and iron saturation are the same. Transferrin saturation is a measure of how much iron is bound to transferrin proteins in the blood, expressed as a percentage of total iron-binding capacity. This value reflects the amount of iron available for binding and transport by transferrin.
When a hormone molecule binds to a specific protein on the plasma membrane the protein it binds to is called?
... a receptor protein.
Where does plasma protein synthesis occur?
Plasma protein synthesis primarily occurs in the liver. Hepatocytes, the main cells of the liver, are responsible for producing most plasma proteins, such as albumin, globulins, and clotting factors. These proteins are then released into the bloodstream and contribute to various functions within the body.
A researcher made an interesting observation about a protein used to build a cell's plasma membrane The final protein in the plasma membrane was slightly different from the protein made by the ER?
The observed difference between the final plasma membrane protein and the ER protein could be attributed to post-translational modifications. These modifications, such as glycosylation or phosphorylation, can alter the protein's structure and function during its journey through the cell to its final destination in the plasma membrane. This dynamic process allows cells to fine-tune protein function for specific roles in different cellular compartments.
In plasma iron is transported bound to what?
In plasma, iron is transported bound to a protein called transferrin. Transferrin helps to deliver iron to cells throughout the body, where it is necessary for various biological functions.
What is the meaning of the word transferrin?
Transferrin is a type of glycoprotein in the blood that binds to iron and transports it throughout the body. It plays a crucial role in regulating iron levels and delivering iron to cells for various functions, such as in the production of red blood cells.
Which of these proteins functions to store or transport iron?
Ferritin is a protein that functions to store iron in the body. Transferrin is a protein that transports iron in the blood.
What is the difference between transferrin and ferritin?
Transferrin is a protein that transports iron in the bloodstream and delivers it to cells. Ferritin, on the other hand, is a protein that stores iron in cells, particularly in the liver, spleen, and bone marrow. Essentially, transferrin helps transport iron while ferritin helps store it.
What is a protein that carries iron through the circulation to the tissues?
Transferrin is a protein that binds to iron in the bloodstream and carries it to different tissues in the body. It plays a crucial role in transporting iron to cells that need it for various physiological functions.
What is the transferrin test?
The transferrin test is a direct measurement of transferrin--which is also called siderophilin--levels in the blood.
Is hemoglobin a plasma protein?
No, hemoglobin is not a plasma protein. Hemoglobin is a protein found in red blood cells that carries oxygen throughout the body. Plasma proteins are different types of proteins found in the liquid component of blood called plasma.
Write the normal value of plasma protein?
Plasma proteins are proteins that are present in blood plasma. The normal laboratory value of plasma total protein is around 7 g/dL.
Is transferrin saturation and iron saturation the same?
Yes, transferrin saturation and iron saturation are the same. Transferrin saturation is a measure of how much iron is bound to transferrin proteins in the blood, expressed as a percentage of total iron-binding capacity. This value reflects the amount of iron available for binding and transport by transferrin.
What plasma proteins can be separated into alpha beta and gamma?
Plasma proteins that can be separated into alpha, beta, and gamma fractions are albumin (alpha), transferrin and lipoproteins (beta), and immunoglobulins (gamma). This separation is typically done through techniques like electrophoresis.
In what conditions is transferrin decreased?
protein deficiency, liver damage, malnutrition, severe burns, kidney disease, chronic infections, and certain genetic disorders
Does plasma membrane manufacture protein?
No.
