Carbon is the element that makes up the organic backbones of all these molecules (This element is also known as the element of life).
Organic molecules such as carbohydrates, lipids, proteins, and nucleic acids contain some common elements such as carbon, hydrogen, nitrogen, phosphorus, and oxygen. (choose) (Options: carbon, oxygen, hydrogen, nitrogen)
is the element that makes up the organic backbones of all these molecules (This element is also known as the element of life).
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