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Protein Structure

True or false? Primary structure is a sequence of amino acids. True
True or false? Secondary structure of protein molecules refers to the formation of alpha helices and beta pleated sheets True
True or false? Tertiary structure is a higher level of folding in which the helices or sheets of the secondary structure fold upon themselves True
True or false? Quaternary structures form by peptide bonds False
True or false? Quaternary arises when..two or more polypeptide chains join to form a protein. True
True or false? Peptide bonds are the bonds formed by condensation between amino acids in polypeptide chains True
True or false? Hydrogen bonds hold primary structures together False
True or false? Alpha and beta sheets are secondary structures held by hydrogen bonds True
True or false?R groups form bonds in tertiary structures True
Disulphide bridges form between these functional groups; COO- and NH3+ True or false? False!
Ionic bonds form between these groups: OH and H True or false? False!
Hydrogen bonds form between these groups: -S and -S True or false? False!
True or false? R groups on amino acids influence their chemical properties in water True
Created by: erin.allen



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