UNIT 1 Living organisms Natural Science 2. Secondary Education THE COMPOSITION OF LIVING ORGANISMS.

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UNIT 1 Living organisms Natural Science 2. Secondary Education THE COMPOSITION OF LIVING ORGANISMS

UNIT 1 The composition of living organisms Natural Science 2. Secondary Education Living things are made of Click on the buttons to find out more which are Inorganic compounds (75% of total mass) Water, carbon dioxide, minerals Organic compounds (25% of total mass) which are Sugars, proteins, lipids, DNA, vitamins

UNIT 1 The composition of living organisms Natural Science 2. Secondary Education Organic compounds Organic compounds are complex molecules made up of carbon atom chains bonded to other atoms. The most important organic compounds in living things are carbohydrates, lipids, proteins, DNA and vitamins. A carbon chain H C C C O O O H H H H H Back

UNIT 1 The composition of living organisms Natural Science 2. Secondary Education Inorganic compounds Inorganic compounds are simple molecules that are not made up of carbon atom chains. The most common ones are water, carbon dioxide and mineral salts. A water molecule A carbon dioxide molecule O OC O H H Back