Posts Tagged ‘Catabolism’
Metabolism is the sum of chemical reactions/processes which occur in living bodies and whose aim is to maintain life; this means growing, reproduction, maintaining the organisms’ structures and responding to their environments adequately. Metabolism has usually two phases: anabolism on the one hand uses energy to make up cell components such as proteins and nucleic acids; on the other hand there is catabolism through which organic matter is broken down. The metabolic rate, or the speed at which metabolism performs its duties, is an important factor in deciding how much food an organism requires and which substances are nutritious and which are poisonous for the organism. Most of the structures which make up the living organisms fall into three basic groups of molecules: amino acids, carbohydrates and lipids or fats. One important aspect in maintaining your body healthy and in a good shape is to look at your lipid metabolism.
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Lipids or fats are the most diversified group of molecules or biochemicals. The lipids’ main uses are both as part of biological membranes (for example the cell membranes) and as source of energy. They usually dissolve in organic solvents (such as benzene and chloroform). They contain fatty acids and glycerol. Steroids such as cholesterol are also a major group of lipids that are produced in the cells. Metabolism in general and lipid metabolism as well, is carried out by means of the chemicals called enzymes, which are created by the body. If the function of an enzyme is affected in some way by a genetic abnormality, then some disorders will occur, since there also occurs the inability to break down what must be broken down, thus allowing some toxic intermediate substance to build up.
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One serious set of disorders caused by weak enzyme activity is that manifested in lipid metabolism. The fat accumulation in the body is, under normal functioning conditions, constantly broken down and reassembled. The purpose is to balance the energy needs of the body with the available food. When the enzymes specialized in breaking down the fatty substances in the body do not work properly anymore, then, over time the accumulations of these substances become harmful to the body and its organs. These lipid metabolism disorders are called lipidoses. Another set of enzyme abnormalities which prevent the body from turning fats into energy lead to problems that are called fatty acid oxidation disorders. One upsetting condition caused by poor lipid metabolism is obesity in which excessive fat accumulates in the adipose tissue. One cause for obesity is the excessive calorie intake. Anyway, there are ways of dealing with lipid metabolism disorders at hand. You only have stand up against the condition.
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In order to define cholesterol metabolism we ougth to explain several notions for a better understanding. The causes, effects, and possible ways to solve the problems should also be discussed. First of all, what is cholesterol? Medical dictionaries explain that cholesterol is a substance that comes from animal-based foods. This substance is processed by the liver and it is an essential building block for healthy cells and nerves while it also serves to producing some hormones. However, you should be careful about the growth of cholesterol levels, since high concentrations can lead to atherosclerosis and coronary artery disease (CAD), as well as heart attacks. Thus, in moderate amounts, this blood fat is necessary to the body.
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The other notion to present in connection with cholesterol metabolism is obviously metabolism. Metabolism is the sum of all chemical processes that take place in the body. To get into more detail, you should be aware of the two types of metabolism that exist: building up – anabolism, and breaking down – catabolism. In the case of anabolism smaller molecules such as amino acids are turned into larger molecules like proteins. Obviously the reversed process takes place in catabolism, larger molecules (for example glycogen) get broken down into smaller ones (like glucose).
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Cholesterol metabolism is the sum of the catabolic and anabolic processes involved in synthesizing and degrading the cholesterol in the body. Serum cholesterol level increases when it is ingested and very quickly absorbed. Besides the liver, almost all the other body tissues can synthesize cholesterol. The more cholesterol is taken in, the less it gets synthesized by the body. The removal of cholesterol from the body is done by degradation in the liver and excretion in the bile.
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There is a combination of factors that lead to increased cholesterol levels. Thus, genetic factors, improper diet, a sedentary lifestyle, and, as a result, weight gain, all together become an extreme burden for cholesterol metabolism. High blood pressure, diabetes, hypothyroidism and other health problems can also be a cause for high cholesterol levels. In some cases it is simply the liver which cannot accomplish its tasks. If there is a history of high cholesterol in your family, keep an eye on your health. Unfortunately for those who are predisposed genetically to elevated cholesterol levels, even the toughest low-fat or no-fat diets are of no much use. However there are medicines that can help. In other situations, a proper diet and a lot of physical activity can do much good.
In order to define cholesterol metabolism we ougth to explain several notions for a better understanding. The causes, effects, and possible ways to solve the problems should also be discussed. First of all, what is cholesterol? Medical dictionaries explain that cholesterol is a substance that comes from animal-based foods. This substance is processed by the liver and it is an essential building block for healthy cells and nerves while it also serves to producing some hormones. However, you should be careful about the growth of cholesterol levels, since high concentrations can lead to atherosclerosis and coronary artery disease (CAD), as well as heart attacks. Thus, in moderate amounts, this blood fat is necessary to the body. Then, be sure to check out Seattle HCG Diet Weight Loss Center.
The other notion to present in connection with cholesterol metabolism is obviously metabolism. Metabolism is the sum of all chemical processes that take place in the body. To get into more detail, you should be aware of the two types of metabolism that exist: building up – anabolism, and breaking down – catabolism. In the case of anabolism smaller molecules such as amino acids are turned into larger molecules like proteins. Obviously the reversed process takes place in catabolism, larger molecules (for example glycogen) get broken down into smaller ones (like glucose). Then, be sure to check out Seattle HCG Diet Weight Loss Center.
Cholesterol metabolism is the sum of the catabolic and anabolic processes involved in synthesizing and degrading the cholesterol in the body. Serum cholesterol level increases when it is ingested and very quickly absorbed. Besides the liver, almost all the other body tissues can synthesize cholesterol. The more cholesterol is taken in, the less it gets synthesized by the body. The removal of cholesterol from the body is done by degradation in the liver and excretion in the bile. Then, be sure to check out Seattle HCG Diet Weight Loss Center.
There is a combination of factors that lead to increased cholesterol levels. Thus, genetic factors, improper diet, a sedentary lifestyle, and, as a result, weight gain, all together become an extreme burden for cholesterol metabolism. High blood pressure, diabetes, hypothyroidism and other health problems can also be a cause for high cholesterol levels. In some cases it is simply the liver which cannot accomplish its tasks. If there is a history of high cholesterol in your family, keep an eye on your health. Unfortunately for those who are predisposed genetically to elevated cholesterol levels, even the toughest low-fat or no-fat diets are of no much use. However there are medicines that can help. In other situations, a proper diet and a lot of physical activity can do much good.