Structure and Properties of Peptides
The molecular formula for glycine is C2H5O2N. What would be the molecular formula for a linear oligomer made by linking ten glycine molecules together by condensation synthesis?

C20H40O10N10
C20H68O29N10
C20H32O11N10
C20H50O20N10

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Structure and Properties of Peptides
Secondary structure in protein refers to

three dimensional arrangement of all amino acids in polypeptide chain
protein made up of more than one polypeptide chain
regular folding of regions of the polypeptide chain
linear sequence of amino acids joined together by peptide bond

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