WGU C785 BIOCHEMISTRY UNIT
EXAM FULLY SOLVED EDITION
WITH 100 PERCENT CORRECT
VERIFIED ANSWERS 2026
‣ amino group. Answer: Consists of hydorgen and nitrogen atoms (-
NH3+)
‣ carboxyl group. Answer: A -COOH group, found in organic acids.
‣ R group. Answer: a functional group that defines a particular amino
acid that makes it a specific protein (20 amino acids) aka side chain
‣ alpha carbon. Answer: the central carbon atom of each amino acid
‣ amino acid backbone. Answer: The structure comprised of the amino
group, carboxyl group with a central alpha carbon atom.
‣ Hydrophobic. Answer: non polar, afraid of water
‣ polar. Answer: Amino acid Molecule with partial charges. Mixes with
water.
, ‣ charged. Answer: Amino acid has a positive or negative charge
‣ Polypeptide. Answer: A single protein chain formed by amino acids
bonded together
‣ peptide bond. Answer: The chemical bond that forms between the
carboxyl group of one amino acid and the amino group of another amino
acid by dehydration ( In which a water molecule is removed, C-N bond)
‣ Hydrolysis. Answer: Peptide bonds can be broken by this...A chemical
process that splits a molecule by adding water. ( this happened
frequently in the stomach when proteins begin to bee digested into their
amino acids)
‣ Residue. Answer: Remaining portion of amino acids after linked by
peptide bonds ( how R groups get their name)
‣ N-terminus. Answer: the end of a polypeptide or protein that has a free
amino group ( usually on the left)
‣ C-terminus. Answer: the end of a polypeptide or protein that has a free
carboxyl group ( usually on the right)
‣ primary structure. Answer: sequence of amino acids in a polypeptide
aka amino acid chain
EXAM FULLY SOLVED EDITION
WITH 100 PERCENT CORRECT
VERIFIED ANSWERS 2026
‣ amino group. Answer: Consists of hydorgen and nitrogen atoms (-
NH3+)
‣ carboxyl group. Answer: A -COOH group, found in organic acids.
‣ R group. Answer: a functional group that defines a particular amino
acid that makes it a specific protein (20 amino acids) aka side chain
‣ alpha carbon. Answer: the central carbon atom of each amino acid
‣ amino acid backbone. Answer: The structure comprised of the amino
group, carboxyl group with a central alpha carbon atom.
‣ Hydrophobic. Answer: non polar, afraid of water
‣ polar. Answer: Amino acid Molecule with partial charges. Mixes with
water.
, ‣ charged. Answer: Amino acid has a positive or negative charge
‣ Polypeptide. Answer: A single protein chain formed by amino acids
bonded together
‣ peptide bond. Answer: The chemical bond that forms between the
carboxyl group of one amino acid and the amino group of another amino
acid by dehydration ( In which a water molecule is removed, C-N bond)
‣ Hydrolysis. Answer: Peptide bonds can be broken by this...A chemical
process that splits a molecule by adding water. ( this happened
frequently in the stomach when proteins begin to bee digested into their
amino acids)
‣ Residue. Answer: Remaining portion of amino acids after linked by
peptide bonds ( how R groups get their name)
‣ N-terminus. Answer: the end of a polypeptide or protein that has a free
amino group ( usually on the left)
‣ C-terminus. Answer: the end of a polypeptide or protein that has a free
carboxyl group ( usually on the right)
‣ primary structure. Answer: sequence of amino acids in a polypeptide
aka amino acid chain
