EDITION COMPREHENSIVE EXAM 2026
SOLVED QUESTIONS AND ANSWERS
GRADED A+
◉ bases
Answer: molecules that lower pH by absorbing hydrogen
◉ buffers
Answer: substances that reduce pH change (bicarbonic acid)
◉ pH scale
Answer: indicates alkalinity of a solution
◉ cohesion
Answer: allows water to flow freely without separating due to
hydrogen bonds, like molecules
◉ adhesion
Answer: ability for water to cling to polar surfaces due to hydrogen
bonding, unlike molecules
,◉ organic molecules
Answer: carbohydrates, lipids, proteins, nucleic acids
◉ glucose
Answer: important source of energy, monomer of carbohydrates
◉ glycerol and fatty acids
Answer: monomers of lipids
◉ amino acids
Answer: monomers of proteins
◉ nucleotides
Answer: monomers of nucleic acids
◉ purpose of proteins
Answer: support, transport, metabolism, regulation, motion
◉ Monosaccharides
Answer: made of singular sugar molecule
, ◉ types of monosaccharides
Answer: glucose, fructose, galactose
◉ disaccharides
Answer: two monosaccharides joined by dehydration reaction
◉ glucose + glucose
Answer: maltose
◉ glucose + fructose
Answer: sucrose
◉ glucose + galactose
Answer: lactose
◉ polysaccharides
Answer: carbohydrates made of many polymers linked together
◉ ruminants
Answer: animals with enzymes to breakdown cellulose
◉ dehydration reaction