
Part A
Correct
Proteins are polymers of amino acids.
Part B
Correct
The amino acids of a protein are linked by peptide bonds.
Part C
Correct
Alpha helices and beta pleated sheets are characteristic of a protein’s secondary structure.
Part D
Correct
Electronegative oxygen and nitrogen atoms leave hydrogen atoms with partial positive charges.
Part E
Correct
Peptide bonds link together the amino acids of a protein’s primary structure.