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why life are depend on carbon molecules ? |
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Answer» Carbon forms the backbone of biology for all life on Earth. Complex molecules are made up of carbon, bonded with other elements, especially oxygen, hydrogen and nitrogen. It is these elements that living organisms need, among others, and carbon is able to bond with all of these because of its four valence electrons. All the important molecules of living organisms, which help to sustain its life, are carbon based. These include proteins, nucleic acids, carbohydrates, fats and enzymes. |
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