'''Carbohydrates''' (compounds of [[sugar]] unit chains) are essential structural components of living [[cell]]s which are responsible for storing [[energy]].
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'''Carbohydrates''' (compounds of [[sugar]] unit chains) are essential structural components of living [[cell]]s which are responsible for storing [[energy]]. They are made up of [[carbon]], [[hydrogen]] and [[oxygen]].
Examples of simple carbohydrates are table sugar ([[sucrose]]), fruit sugar ([[fructose]]) and milk sugar ([[lactose]]).
Examples of simple carbohydrates are table sugar ([[sucrose]]), fruit sugar ([[fructose]]) and milk sugar ([[lactose]]).