Which of the following is NOT true about protein structure- Question 1.docx

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Proteins have four levels of structure: primary, secondary, tertiary, and quaternary. An alpha helix is an example of secondary structure, not tertiary structure. Tertiary structure is the overall shape of a single polypeptide chain and is determined by interactions between different parts of the amino acid sequence.

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Which of the following is NOT true about protein structure?
Question 11
options: Enzymes such as lysozyme have tertiary structure. A protein's tertiary structure is
ultimately determined by its primary amino acid sequence. An alpha helix is an example of
tertiary structure. Tertiary structure may be stabilized by hydrogen bonds, disulfide bonds, ionic
bridges, and van der Waals interactions

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