PLTW PBS 2026 BIOMEDICAL RESEARCH
AND DATA ANALYSIS ASSESSMENT PAPER
ANSWERS VERIFIED SUMMARY SHEET
◉ cholesterol
Answer: lipid with ringed molecular structure; makes steroid
hormones, component of cell membranes
◉ sodium
Answer: salt; maintains blood pressure
◉ carbohydrates
Answer: organic molecule; preferred energy source in the human
body
◉ fiber
Answer: indigestible portion of plants; absorbs water, eases
digestion
◉ sugar
Answer: mono and disaccharides; can cause type 2 diabetes, obesity,
and tooth decay
,◉ protein
Answer: organic polymer made of amino acid; makes structures,
enzymes, and peptide hormones
◉ minerals
Answer: chemical elements required by organisms; play roles in cell
structures
◉ macromolecules
Answer: large molecules made up of smaller molecules
◉ carbon, oxygen, and hydrogen
Answer: composition of carbohydrates
◉ monomer
Answer: building block of carbohydrates
◉ genetics, lipid storages, energy source, structural molecules
Answer: function of carbohydrates
◉ starch
, Answer: example of carbohydrates
◉ carbon, oxygen, hydrogen, and nitrogen
Answer: composition of proteins
◉ amino acids
Answer: building block of proteins
◉ build/repair tissues, transport molecular enzymes
Answer: function of proteins
◉ enzymes
Answer: example of proteins
◉ hydrogen, carbon, nitrogen, oxygen,phosphorous
Answer: composition of nucleic acids
◉ nucleotides
Answer: building block of nucleic acids
◉ stores/carries genetic info in the form of DNA/RNA
Answer: function of nucleic acids
AND DATA ANALYSIS ASSESSMENT PAPER
ANSWERS VERIFIED SUMMARY SHEET
◉ cholesterol
Answer: lipid with ringed molecular structure; makes steroid
hormones, component of cell membranes
◉ sodium
Answer: salt; maintains blood pressure
◉ carbohydrates
Answer: organic molecule; preferred energy source in the human
body
◉ fiber
Answer: indigestible portion of plants; absorbs water, eases
digestion
◉ sugar
Answer: mono and disaccharides; can cause type 2 diabetes, obesity,
and tooth decay
,◉ protein
Answer: organic polymer made of amino acid; makes structures,
enzymes, and peptide hormones
◉ minerals
Answer: chemical elements required by organisms; play roles in cell
structures
◉ macromolecules
Answer: large molecules made up of smaller molecules
◉ carbon, oxygen, and hydrogen
Answer: composition of carbohydrates
◉ monomer
Answer: building block of carbohydrates
◉ genetics, lipid storages, energy source, structural molecules
Answer: function of carbohydrates
◉ starch
, Answer: example of carbohydrates
◉ carbon, oxygen, hydrogen, and nitrogen
Answer: composition of proteins
◉ amino acids
Answer: building block of proteins
◉ build/repair tissues, transport molecular enzymes
Answer: function of proteins
◉ enzymes
Answer: example of proteins
◉ hydrogen, carbon, nitrogen, oxygen,phosphorous
Answer: composition of nucleic acids
◉ nucleotides
Answer: building block of nucleic acids
◉ stores/carries genetic info in the form of DNA/RNA
Answer: function of nucleic acids