branched chain
Noun: 1. An open chain of atoms with one or more side chains attached to it: In chemistry, a branched chain is a molecular structure where the main sequence of atoms (the backbone) has one or more smaller sequences of atoms (side chains or branches) attached to it. This contrasts with a straight-chain molecule where all atoms are connected in a single, unbranching line.
The term is primarily used in scientific contexts, especially in organic chemistry and biochemistry, to describe the structure of molecules. * It is often used as a noun phrase modifying another noun (e.g., branched-chain molecule, branched-chain hydrocarbon). * It describes a specific structural feature that can significantly influence a compound's physical and chemical properties.
- Noun:
- Isooctane is a branched chain hydrocarbon used as a standard for gasoline ratings.
- The biochemist studied the metabolism of branched-chain amino acids like leucine and valine.
- The properties of a polymer can be altered by introducing a branched chain into its structure.
- "Branched-chain" as a compound adjective: When used before a noun, it is typically hyphenated (e.g., branched-chain fatty acid). This clarifies that "branched-chain" is a single descriptor for the noun that follows.
- In biochemistry, Branched-Chain Amino Acids (BCAAs) is a standard term for the essential amino acids leucine, isoleucine, and valine, which all share a branched molecular structure.
- Branch (verb/noun): The act of dividing or a subdivision from a main part. (e.g., / )
- Chain (noun): A connected series of links or objects; in chemistry, a series of atoms bonded together.
- Straight chain (noun): An open chain of atoms with no side branches.
- Side chain (noun): A chemical group attached to the main chain (backbone) of a molecule.
- Ramified chain (a more technical synonym, from Latin meaning "branch").
- Non-linear chain (emphasizing the contrast with a straight, linear chain).
- Straight chain
- Linear chain
- Unbranched chain
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an open chain of atoms with one or more side chains attached to it
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