A-Level Biology (OCR B / MEI) Flashcards
All the highest-yield concepts in the official OCR B / MEI A-Level Biology syllabus.
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Decks included (27)
1: Biological Molecules
Explain how biological molecules are structured and how their properties determine function.
138
cards
1: Enzymes & Digestion
Explain enzyme action and how macromolecules are digested and absorbed.
16
cards
1: Cell Structure
Describe the structure and function of cells and their components.
52
cards
1: Cell Division
Explain the cell cycle and mitosis in growth and development.
20
cards
1: Membranes & Transport
Analyse movement of substances across membranes via diffusion and active transport.
20
cards
2: Exchange & Transport Systems
Explain how organisms exchange and transport substances efficiently.
76
cards
2: Plant Transport
Explain water transport, transpiration, and translocation in plants.
20
cards
2: Immunology
Describe immune responses and mechanisms of pathogen defense.
36
cards
3: DNA & Protein Synthesis
Explain how DNA structure enables genetic information to be expressed as proteins.
27
cards
3: Genetic Diversity
Explain how meiosis and mutation generate genetic variation.
14
cards
3: Biodiversity & Classification
Classify organisms and measure biodiversity within ecosystems.
32
cards
3: Investigating Diversity
Analyse genetic diversity using molecular and statistical methods.
12
cards
4: Evolution
Explain how natural selection leads to adaptation and speciation.
42
cards
4: Populations & Ecosystems
Analyse interactions within ecosystems and population dynamics.
24
cards
4: Energy & Nutrient Cycles
Explain energy flow and nutrient cycling in ecosystems.
35
cards
5: Photosynthesis
Explain the processes and limiting factors of photosynthesis.
23
cards
5: Respiration
Analyse aerobic and anaerobic respiration and ATP production.
17
cards
5: ATP & Energy Transfer
Explain how ATP functions as the universal energy currency in cells.
11
cards
6: Homeostasis
Explain how organisms maintain stable internal conditions through regulation.
57
cards
6: Nervous Coordination
Explain how neurons transmit impulses and coordinate responses.
53
cards
6: Stimuli & Response
Describe how organisms detect stimuli and produce coordinated responses.
62
cards
6: Muscles
Explain the structure and mechanism of skeletal muscle contraction.
14
cards
7: Inheritance
Analyse inheritance patterns including dominance, codominance, and sex linkage.
12
cards
7: Populations (Hardy–Weinberg)
Apply Hardy–Weinberg principles to analyse allele frequencies.
15
cards
8: Gene Mutations & Expression
Explain how mutations affect protein structure and gene regulation.
58
cards
8: Gene Technologies
Explain applications of genome sequencing and genetic technologies.
46
cards
8: Disease
Explain how pathogens cause disease and how organisms respond.
24
cards
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