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APBio FRQs


The following table summarizes the Free Response Question topics of past AP Biology exams.

Year
Area I: Molecules & Cells
Area II: Genetics & Evolution
Area III: Organisms & Populations 1
Area III: Organisms & Populations 2
2008
Protein structure and function
Regulatory processes and chemicals (ex: ovaries/FSH)
Flowering plant fertilization/self-fertilization
Primary productivity (lab)
2008b
Structural organization - complex to simple
Allele frequencies, Hardy-Weinberg
Homologies
Primary productivity, DO (lab)
2007
Membrane macromolecules; role of membranes in various processes
Restriction map, recombinant DNA, GM organisms (benefits and risks) (lab)
Cephalization, development of nervous system, reaction to a stimulus
Productivity in deserts, food chain, CO2 uptake patterns
2007b
mRNA: modification, translation, secretion of proteins
Animal adaptive behaviors (innate vs. learned); design experiment
Human immune system
Energy flow in ecosystems; deforestation and climate change
2006
Prokaryotes vs. eukaryotes (organelle differences, common features, endosymbiotic theory)

-Water movement through vascular plants; gas exchange, transpiration -Animal circulatory systems
Population density of beetles (lab): explain data, describe relationships, predict
2006b
Structure/function of molecules (enzymes, mRNA, membranes, membrane proteins)
Meiosis, description of sexual and asexual reproduction
Transpiration (lab): daily fluctuations, mechanisms, role of water in plants
Role of plants in converting solar energy, flow of energy in food web in terms of thermodynamics
2005




2005b




2004




2004b




2003




2003b




2002
Diffusion and concentration gradients (lab)
Understanding genetics - plasmids, PCR, RFLP; relationship of genotype to phenotype
Structure/function of animal processes in three phyla and adaptive value

2002b
Structure/function of structural polymers in cells
Bacteriophage infections and genomes
Triploblastic embryos - germ layers, body plans, digestive systems
Exercise, heart rate, related systems; design experiment
2001
Proteins - structure, synthesis, functions
Explain natural selection, specific examples
Structure/function of organ system components
DO in lake (lab) - graph data, explain biological processes
2000
Enzyme catalysis: factors that influence, design experiment
Information transfer - mitosis, transcription/translation, bacterial recombination
Surviving environmental threats - behavior, structural and immune defenses
How feedback maintains homeostasis (glucose, Ca2+, temperature, pulse, blood osmolarity)
1999
Plant pigments and photosynthesis (lab)
DNA: why DNA is genetic material, experiments that support
Taxonomy: basic kingdoms/domains, first cell characteristics
Communication between specific cells (neurons, plants, immune, endocrine)
1998




1997




1996




1995




1994




1993




1992