The science of how Messi keeps the ball close to himself photo credit: ZaleDesigns Messi is a magician with the ball at his feet. He's in my opinion the best player in the sense that he can control the ball so well, runs so fast with the ball & changes the direction at full speed like it's a walk in the park. For starters he started playing very early (at 3) which is crucial if you want to be a good player. In that aspect, he's God gifted as he had dribble skills which is genetic in my opinion. Height He is short which means a low center of gravity so it's difficult to push him off the ball. That's why we see that anyone rarely can topple him down, instead players much larger than him lose possession to him. So his short height suits his style of play & is a blessing in disguise. Change of pace Messi changes his pace really well. He starts slow and runs directly at the defender which means the defender has to stop & focus on him. When he reac...
Carbohydrate
Introduction
Consisting of oxygen (O), carbon (C), and hydrogen (H), carbohydrate is a biological molecule.
Carbohydrate is one of the essential elements for the living organisms, as it plays various important roles.
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Carbohydrate is the main source of energy, as about two-third energy requirement of living beings is fulfilled by it.
Glucose, sugar, and starch are the important examples of carbohydrate.
Source of Carbohydrate
Carbohydrates naturally are occurring in wide variety of foods, such as −
Wheat
Maize
Rice
Potatoes
Sugarcane
Fruits
Table sugar
Bread
Milk
Sugar that we eat in our everyday life is mainly sucrose (table sugar).
Sucrose is added in many food items while preparing, e.g. jam, biscuits, cakes, energy drinks, etc.
Further, many fruits naturally contain glucose and fructose.
Glycogen is another type of carbohydrate that found in the liver and muscle.
Cellulose found in the cell wall of plant cells is carbohydrate.
Types of Carbohydrate
The following table illustrates major categories and sub-categories of carbohydrate −
| Class | Subgroup | Components |
|---|---|---|
| Sugar | Monosaccharides | Glucose, fructose, xylose, galactose |
| Disaccharides | Sucrose, lactose, maltose, trehalose | |
| Polyols | Sorbitol, mannitol | |
| Oligosaccharides | Malto-oligosaccharides | Maltodextrins |
| Other oligosaccharides | Raffinose, stachyose, fructo-oligosaccharides | |
| Polysaccharides | Starch | Amylose, amylopectin, modified starches |
| Non-starch polysaccharides | Cellulose, hemicellulose, pectins, hydrocolloids |
Functions of Carbohydrate
Following are the major functions of carbohydrates −
Carbohydrates provide energy required for the proper function of the body.
Carbohydrates also store food in the body for the contingency period.
Carbohydrates form nucleic acids.
Carbohydrates also support skeleton system of animals.
Carbohydrates provide sweetness and flavor.
Carbohydrates break down the fatty acid.
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