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B3- Biological molecules

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    Biology
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  • What are chemical reactions that are going on all the time in every living organism?
    Metabolic reaction
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  • Water is an important […]
    Solvent
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  • Carbohydrates include … and ….
    starch and sugar
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  • Carbohydrates’ molecules contain …, … and … atoms
    COH- carbon(C), oxygen(O) and hydrogen (H)
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  • The simplest kinds of carbohydrates are the simple sugars AKA ….
    Monosaccarides
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  • What is the formula of a glucose molecule?
    C₆H₁₂O₆
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  • If two simple sugar molecules join together, a larger molecule called a complex sugar AKA
    Disaccharide
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  • Two examples of complex sugars are…, and …
    sucrose and maltose
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  • A polysaccharide is a very large molecule containing … of sugar molecules joined together in a ling chain.
    THOUSANDS
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  • Starch, Cellulose and glycogen are examples of …
    Polysaccharides
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  • Which of these is a polysaccharide often found in animal cells?
    glycogen
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  • Most polysaccharides are soluble/insoluble and taste sweet/do not taste sweet.
    Most polysaccharides are soluble and taste do not taste sweet.
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  • One gram of carbohydrate releases …kJ of energy by respiration. How many g/kJ?
    17kJ
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  • What carbohydrate is usually used in respiration?
    Glucose
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  • Plants are also use glucose in respiration, to provide them with energy. However, they do not transport glucose around their bodies. Instead, they transport … The cells change …. into glucose when they need to use it.
    Sucrose
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  • Plants store carbohydrates as … It is quick and easy to change glucose into… or … into glucose. Some plants use large quantities of … in their seeds or tubers and we use it as food.
    Starch
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