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secondary structure
(redirected from secondary structures)

   Also found in: Dictionary/thesaurus, Wikipedia 0.03 sec.
secondary structure [′sek·ən‚der·ē ′strək·chər]
(biochemistry)
The conformation of a protein or peptide molecule with respect to nearest-neighbor amino acids.
(geology)
A structure such as a fault, fold, or joint resulting from tectonic movement that started after the rock in which it is found was emplaced.
(paleontology)
A coarse structure usually between the thin sheets in the protective wall of a tintinnid.


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Unlike basic units of silicon oxide and other metal oxides in widely used porous crystalline materials, the germanium-oxide units form secondary structures that contain six tetrahedra and four octahedra.
While carefully designed and optimized to have PCR products with a shorter length (147-201 bp), some of the amplified PCR fragments might form secondary structures (e.
For the most part, they have been relegated to secondary structures, such as doors, handles, inlet rings and other non-structural applications.
 
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