Two or three alpha helices can sometimes wrap around each other to form coiled-coils. the stable wrapping of one helix around another is typically driven by _____ interactions. Answer About us
The original file format is known as the native format. Litigators may review material from e-discovery in one of several formats: printed paper, native file, or a petrified, paper-like format, such as PDF files or TIFF images.
The biuret test is a chemical test used for detecting the presence of peptide bonds. In a positive test, a copper(II) ion is reduced to copper(I), which forms a complex with t â¦ he nitrogens and carbons of the peptide bonds in an alkaline solution.A violet color indicates the presence of proteins.he biuret test is a chemical test used for detecting the presence of peptide bonds. In the presence of peptides, a copper(II) ion forms a violet-colored complex in an alkalin â¦ e solution.