PRINCIPLES OF HUMAN PHYSIOLOGY 6TH
EDITION EXAM REVIEW 2026 UPDATED
QUESTIONS AND VERIFIED SOLUTIONS
◉ steroids
Answer: lipid made of four fused carbon rings
◉ peptide bonds
Answer: dehydration reaction that creates covalent bonds between
two amino acids
◉ polypeptides
Answer: three or more amino acids joined together
◉ primary structure
Answer: sequence of amino acids
◉ secondary structure
Answer: alpha helix or pleated sheet of proteins
◉ tertiary structure
, Answer: final shape of polypeptide
◉ quaternary structure
Answer: two or more associated polypeptides
◉ prions
Answer: misfolded proteins, diseased
◉ nucleic acids
Answer: DNA, RNA, and ATP; polymers of nucleotides
◉ DNA
Answer: store info on how to copy itself
◉ RNA
Answer: copy of DNA outside nucleus
◉ ATP
Answer: main energy source for cells, has three phosphates
◉ how energy is taken from ATP
Answer: last phosphate bond is broken to release ADP
EDITION EXAM REVIEW 2026 UPDATED
QUESTIONS AND VERIFIED SOLUTIONS
◉ steroids
Answer: lipid made of four fused carbon rings
◉ peptide bonds
Answer: dehydration reaction that creates covalent bonds between
two amino acids
◉ polypeptides
Answer: three or more amino acids joined together
◉ primary structure
Answer: sequence of amino acids
◉ secondary structure
Answer: alpha helix or pleated sheet of proteins
◉ tertiary structure
, Answer: final shape of polypeptide
◉ quaternary structure
Answer: two or more associated polypeptides
◉ prions
Answer: misfolded proteins, diseased
◉ nucleic acids
Answer: DNA, RNA, and ATP; polymers of nucleotides
◉ DNA
Answer: store info on how to copy itself
◉ RNA
Answer: copy of DNA outside nucleus
◉ ATP
Answer: main energy source for cells, has three phosphates
◉ how energy is taken from ATP
Answer: last phosphate bond is broken to release ADP
