1.3.3 Biomolecular Structures

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Presentation transcript:

1.3.3 Biomolecular Structures

Types of Food The elements combine in different ratios to form different food components (biomolecular units) Food is made up of six different components Water Proteins Lipids Carbohydrates Vitamins Minerals

Humans are mainly made up of Water!

Carbon Hydrogen Oxygen Carbohydrates Carbohydrates contain the elements Carbon Hydrogen Oxygen The general formula for a carbohydrate is Cx(H2O)y There are twice as many hydrogen molecules as oxygen molecules

Learning check What are the six different food components? Water Proteins Lipids Carbohydrates Vitamins Minerals

A common carbohydrate General formula = Cx(H2O)y When x = y = 6 We fet the formula C6H12O6 What is the name of this monosaccharide carbohydrate? Glucose

Another common carbohydrate General formula = Cx(H2O)y When x = 12 and y = 11 We get the formula C12H22O11 What is the name of this disaccharide carbohydrate? Sucrose

Carbon Hydrogen Oxygen Learning check Name the three elements that make up carbohydrates Carbon Hydrogen Oxygen What is the general formula for a carbohydrate? Cx(H2O)y

Need to know Define Biomolecular Structures State that simple biomolecular units are composed of a combination of elements in different ratios e.g. carbohydrates Cx(H2O)y

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