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primary structure

American  

noun

  1. Biochemistry. the basic sequence of amino acids in a polypeptide or protein.

  2. the basic parts of an aircraft, damage to which would be dangerous.


primary structure Scientific  
  1. The linear sequence of amino acids in a protein.

  2. See also quaternary structure secondary structure tertiary structure


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Inside the primary structure, visitors will find bright open spaces, elegant design details, and many communal living areas, ideal for those with a fondness for entertaining.

From MarketWatch

The fuselage is the primary structure of an aircraft, forming the outer shell.

From Barron's

The primary structure of a protein is composed of different amino acids coming together.

From Science Daily

Larger homes are now commonplace: The median new primary structure size in 2020 in the proposed wildlife ordinance area was 8,854 square feet, according to the city.

From Los Angeles Times

The primary structure of hearing in the skull is called a cochlea.

From Scientific American