A-Level Biology (OCR) Flashcards
All the highest-yield concepts in the official OCR A-Level Biology syllabus.
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Decks included (28)
2: Biological Molecules
Explain how biological molecules are structured and how their properties determine function.
119
cards
2: Water & Inorganic Ions
Explain how water and inorganic ions support biological processes.
19
cards
2: Cells
Describe cell structure and function in prokaryotic and eukaryotic organisms.
52
cards
2: Cell Division
Explain the cell cycle and mitosis in growth and repair.
20
cards
2: Membranes & Transport
Analyse how substances move across membranes via diffusion, osmosis, and active transport.
20
cards
2: Exchange Surfaces
Explain how surface area to volume ratio and exchange systems enable efficient diffusion.
37
cards
2: Transport Systems
Explain mass transport in animals and plants.
39
cards
2: Immune system
Describe immune responses including antigen recognition and antibody production.
36
cards
2: Enzymes & Digestion
Explain enzyme action and how biological molecules are digested and absorbed.
16
cards
3: Plant Transport
Explain water and mineral transport in plants including transpiration mechanisms.
20
cards
4: Biodiversity & Classification
Measure biodiversity and classify organisms using phylogenetic systems.
32
cards
4: Investigating Diversity
Analyse genetic diversity using molecular and statistical techniques.
12
cards
4: Evolution
Explain how genetic variation leads to evolution through natural selection.
42
cards
4: Disease
Explain how pathogens cause disease and how organisms respond to infection.
24
cards
5: Photosynthesis
Explain the processes and factors affecting photosynthesis.
23
cards
5: Respiration
Analyse aerobic and anaerobic respiration and ATP production.
17
cards
5: Energy & Ecosystems
Explain energy transfer and nutrient cycling in ecosystems.
35
cards
5: Homeostasis
Explain how organisms maintain stable internal conditions via feedback mechanisms.
57
cards
5: Nervous & Hormonal Communication
Describe how organisms detect stimuli and coordinate responses.
115
cards
5: Muscles
Explain the structure and contraction of skeletal muscle.
14
cards
6: DNA & Protein Synthesis
Explain DNA structure and how genetic information is expressed as proteins.
27
cards
6: Meiosis & Genetic Diversity
Explain how meiosis and fertilisation generate genetic variation.
14
cards
6: Inheritance
Analyse inheritance patterns including codominance and sex linkage.
12
cards
6: Populations (Hardy–Weinberg)
Analyse allele frequencies and apply population genetics models.
15
cards
6: Ecosystems & Population Dynamics
Explain interactions between organisms and population changes over time.
24
cards
6: Gene Mutations & Expression
Explain how mutations affect protein structure and gene regulation.
58
cards
6: Biotechnology & Genomics
Explain applications of genome sequencing and gene technologies.
46
cards
6: ATP & Energy Transfer (Integration)
Explain how ATP links energy transfer across biological systems.
11
cards
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