Answer:
All life is composed mainly of the four macro-molecule building blocks: <em>carbohydrates, lipids, proteins, and nucleic acids</em>. The interactions of different polymers of these basic molecule types make up the majority of life's structure and function.
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Answer:
A cause or starting point the source of a rumor. 2 : the beginning of a stream of water the source of the Nile River. 3 : someone or something that supplies information a reference source. 4 : someone or something that provides what is needed a source of supplies a source of strength.
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Ionic bonds involve the gaining and losing of valence electrons between atoms, while covalent bonds involve the sharing of valence electrons between atoms
