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What is the structure of LDL and HDL particles and how do they differ in terms of their composition and function?
LDL (low-density lipoprotein) and HDL (high-density lipoprotein) are both types of lipoprotein particles that transport cholesterol in the blood. The structure of LDL particles consists of a core of cholesterol esters surrounded by a shell of phospholipids and apolipoproteins. LDL particles are known as "bad" cholesterol because they can deposit cholesterol in the walls of arteries, leading to atherosclerosis. On the other hand, HDL particles have a core of cholesterol and triglycerides surrounded by a shell of phospholipids and apolipoproteins. HDL particles are considered "good" cholesterol because they help remove excess cholesterol from the bloodstream and transport it to the liver for excretion. In summary, LDL particles transport cholesterol from the liver to the tissues, while HDL particles transport excess cholesterol from the tissues back to the liver.
The functions of HDL and LDL in human body.?
The function of HDL in the human body is to transport cholesterol for excretion to the liver. The function of LDL is to transport cholesterol to the liver for use.
What is the function of Low-density lipoprotein?
The function of low density lipoproteins are to carry cholesterol molecules through the body. The cholesterol can be used in membranes for transport or to make hormones.
Does low density lipoproteins carry cholesterol?
Yes, low-density lipoproteins (LDL) are known as "bad" cholesterol because they carry cholesterol from the liver to cells in the body. High levels of LDL can lead to cholesterol buildup in blood vessels, increasing the risk of heart disease.
What lipoprotein is responsible for transporting cholesterol back to the liver form the periphery?
High-density lipoprotein (HDL)
VLDL are poduced in which organ?
VLDL (Very Low-Density Lipoprotein) is produced in the liver. It is one of the lipoproteins responsible for transporting triglycerides from the liver to peripheral tissues.
Where is HDL cholesterol made?
HDL cholesterol is made in the blood. The ApoA1 particles are made in the liver and the intestines and then released into the blood where it binds to extracellular tissues and picks up cholesterol (once the apoA1 picks up the cholesterol and esterify it) it is called HDL. This is done in order to return the cholesterol to the liver.
Transport vehicles that function to remove excess cholesterol from body cells and transport it to the liver for elimination?
These transport vehicles are called high-density lipoproteins (HDL). HDL picks up excess cholesterol from cells and transports it to the liver where it can be broken down and eliminated from the body. HDL is often referred to as "good cholesterol" because of its role in removing cholesterol from the bloodstream.
What is the function of chylomicrons?
Chylomicrons and large lipoprotein particles that consist of triglycerides, phospholipids, cholesterol and proteins. Their function is to transport dietary lipids from the intestinal epithelial cells to the liver or other locations around the body.Chylomicrons transport fats and cholesterol from the intestine into the liver, then into the bloodstream
What do lipoproteins transport?
HDL'S ( high density lipoproteins) transport cholesterol from the bloodstream to the liver to be degraded and excreted. LDL'S are somties refferred to as carrying the "bad" cholesterol, whereas HDL'S carry the "good" cholesterol.
What organ is responsible for making cholestorol?
liver is a metabolism organ in human body.
What two amino acids are involved in the transportation of amino acid nitrogen from peripheral tissues to the liver?
Alanine and glutamine. Alanine from skeletal muscle and glutamine from all other peripheral cells.
