Finally, polysaccharide is the name given to long chains of monosaccharides connected. Starch, which is common in foods like pasta, bread, and potatoes, is a polysaccharide made up of hundreds of glucose molecules bonded together! Here is a site to check out if you want more info: Carbohydrates summary. What are the monomers and polymers of carbohydrates? Johnny L. Aug 1, Related questions What are monomers and polymers? What are some examples of monomers and polymers?
Carbohydrates have been a controversial topic within the diet world. People trying to lose weight often avoid carbs, and some diets completely forbid carbohydrate consumption, claiming that a low-carb diet helps people to lose weight faster. Carbohydrates should be supplemented with proteins, vitamins, and fats to be parts of a well-balanced diet.
Calorie-wise, a gram of carbohydrate provides 4. Carbohydrates contain soluble and insoluble elements; the insoluble part is known as fiber, which is mostly cellulose.
Fiber has many uses; it promotes regular bowel movement by adding bulk, and it regulates the rate of consumption of blood glucose. Fiber also helps to remove excess cholesterol from the body. Fiber binds and attaches to the cholesterol in the small intestine and prevents the cholesterol particles from entering the bloodstream. Then cholesterol exits the body via the feces. Fiber-rich diets also have a protective role in reducing the occurrence of colon cancer.
In addition, a meal containing whole grains and vegetables gives a feeling of fullness. As an immediate source of energy, glucose is broken down during the process of cellular respiration, which produces adenosine triphosphate ATP , the energy currency of the cell.
Eliminating carbohydrates from the diet is not the best way to lose weight. A low-calorie diet that is rich in whole grains, fruits, vegetables, and lean meat, together with plenty of exercise and plenty of water, is the more sensible way to lose weight. Privacy Policy. Skip to main content. Biological Macromolecules. Search for:. Carbohydrate Molecules Carbohydrates are essential macromolecules that are classified into three subtypes: monosaccharides, disaccharides, and polysaccharides.
Learning Objectives Describe the structure of mono-, di-, and poly-saccharides. Key Takeaways Key Points Monosaccharides are simple sugars made up of three to seven carbons, and they can exist as a linear chain or as ring-shaped molecules.
Glucose, galactose, and fructose are monosaccharide isomers, which means they all have the same chemical formula but differ structurally and chemically.
Disaccharides form when two monosaccharides undergo a dehydration reaction a condensation reaction ; they are held together by a covalent bond. Sucrose table sugar is the most common disaccharide, which is composed of the monomers glucose and fructose. A polysaccharide is a long chain of monosaccharides linked by glycosidic bonds; the chain may be branched or unbranched and can contain many types of monosaccharides.
Key Terms isomer : Any of two or more compounds with the same molecular formula but with different structure. Importance of Carbohydrates Carbohydrates are a major class of biological macromolecules that are an essential part of our diet and provide energy to the body. Learning Objectives Describe the benefits provided to organisms by carbohydrates.
Key Takeaways Key Points Carbohydrates provide energy to the body, particularly through glucose, a simple sugar that is found in many basic foods. Carbohydrates contain soluble and insoluble elements; the insoluble part is known as fiber, which promotes regular bowel movement, regulates the rate of consumption of blood glucose, and also helps to remove excess cholesterol from the body. Chief vs. Teat vs. Neice vs. Buisness vs. Beeing vs. Amature vs. Lieing vs. Preferred vs. Omage vs.
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