Fill in the blanks: a. The sequence of amino acids is the _____________________ structure of a protein. b. Alpha helices and beta sheets are both stabilized by _________________________. c. The bond that links amino acids together is called ________________________bond

A protein has a chain of 200 amino acids. This is the protein's ________ structure a. primary b. secondary c. tertiary d. quaternary   The secondary structure of proteins results primarily from which of the following interactions? a. formation of disulfide linkages b. formation of hydrogen bonds c. formation of salt bridges d. more than one response is correct e. no correct response   Protein denaturation results in a disruption of the a. primary structure b. secondary and tertiary structure c. primary and secondary structure d. primary, secondary and tertiary structure e. no correct response is given   H2 + CH2 = CH2 --> CH3CH3Which of the following could be a substrate for an enzyme that has an induced-fit active site and catalyzes the reaction above? a. CH3_OH b. CH2=CH_CH3 c. CH3_O_CH2CH3 d. none of the above   Enzyme activity is best determined by performing a(n) a. enzyme international unit b. enzyme efficiency test c. enzyme specificity test d. enzyme assay

14. Which lipid does not contain any fatty acids?A.GlycerophospholipidB. triglycerideC. steroidD. wax E. sphingolipid

a. Tyrosine b. Alanine c. Leucine d. Asparagine 5. Draw a picture showing the details of the hydrogen bonding between the side chain and the protein backbone for any amino acid residues from exercise 4 that are capable.