IB BIOLOGY FINAL PAPER 2026 FULL QUESTIONS AND SOLUTIONS VERIFIED A+

IB BIOLOGY FINAL PAPER 2026 FULL
QUESTIONS AND SOLUTIONS VERIFIED A+

●● Metabolism.
Answer: the chemical processes (enzyme catalyzed) that occur within a
living organism in order to maintain life.


●● Anabolism.
Answer: the synthesis of complex molecules in living organisms from
simpler ones, including ther formation of macrolmes from monomers by
condensation reactions


●● Catabolism.
Answer: the breakdown of complex molecules into simpler molecules,
including the hydrolysis of macromolecules into monomers.


●● Insulin.
Answer: protein hormone that facilitates the movement of glucose form
the bloodstream to the interior of cells


●● organic chemistry.
Answer: the study of all chemicals containing carbon

,●● Subcomponent of carbohydrates.
Answer: monosaccharides


●● subcomponent of lipids.
Answer: Glycerol, fatty acids, phosphate groups


●● Subcomponent of proteins.
Answer: amino acids


●● subcomponent of nucleic acids.
Answer: nucleotides


●● carbohydrate subcategories.
Answer: monosaccharides, disaccharides, polysaccharides


●● Lipid subcategories.
Answer: triglycerides, phospholipids, steroids


●● Protein examples.
Answer: enzymes, antibodies, peptide hormones


●● Monosaccharide examples.

, Answer: glucose, fructose, galactose, ribose, deoxyribose


●● Disaccharide examples.
Answer: sucrose, lactose, maltose


●● polysaccharide examples.
Answer: starch, glycogen, cellulose, chitin


●● triglyceride examples.
Answer: fats in adipose tissue


●● phospholipid example.
Answer: bilayer of cell membrane


●● Steroid examples.
Answer: cholesterol, testosterone, estrogen


●● nucleic acid examples.
Answer: DNA, RNA, ATP


●● Enzymes.