macromolecule
macromolecule (noun) 1. A very large and complex molecule: A molecule of high molecular weight, typically consisting of a large number of atoms linked together in a chain or network. These are the fundamental building blocks of living organisms and many synthetic materials.
The word "macromolecule" is a scientific term used primarily in chemistry, biochemistry, and molecular biology. It refers to the large polymeric structures that form the basis of biological and many industrial materials. * As a subject: "The macromolecule was analyzed using spectroscopy." * As an object: "Enzymes help to break down the macromolecule." * With a modifier: "A synthetic macromolecule" or "A biological macromolecule."
- Proteins, DNA, and cellulose are all examples of a biological macromolecule.
- The function of a protein macromolecule is determined by its unique three-dimensional shape.
- Plastics are composed of synthetic macromolecules called polymers.
- In a technical context: The term is often used to discuss polymerization, molecular weight, or structural analysis.
- "The study focused on the self-assembly of the macromolecule into a functional complex."
- Contrast with smaller molecules: It is used to distinguish large, complex structures from simpler, smaller molecules like water or glucose.
- "Metabolism involves both the breakdown of macromolecules and the synthesis of small molecules."
- Polymer (noun): A substance that has a molecular structure built up chiefly from a large number of similar units (monomers) bonded together. While all polymers are macromolecules, not all macromolecules (like some proteins with irregular sequences) are strictly defined as polymers in the synthetic sense.
- Biomacromolecule (noun): A macromolecule produced by a living organism, such as a protein or nucleic acid.
- Macromolecular (adjective): Relating to or consisting of macromolecules.
- "The macromolecular structure of the virus was determined."
- Polymer (in many, but not all, contexts)
- Large molecule
- Complex molecule
The core meaning of "macromolecule" is consistent. The nuance lies in its application: 1. Biological Context: Refers to essential large molecules in living systems (e.g., proteins, nucleic acids, polysaccharides). 2. Synthetic/Materials Context: Refers to human-made large molecules like plastics, nylon, or synthetic rubber.
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any very large complex molecule; found only in plants and animals
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