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YOUR A LEVELS
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Pearson Edexcel
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Subjects
C
Cambridge
E
Pearson Edexcel
AQA
AQA
OCR
OCR
Competitive
Log in
Create free account
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Biology
Revision Notes
A Level Structured Questions
Biology · Cambridge 9700
A Level Structured Questions
8 chapters · 87 lessons
Collection
AS theory
AS Level Advanced Practical Skills
A Level Structured Questions
A Level Planning, Analysis and Evaluation
Expand all
01
Energy and Respiration
10 lessons · 3 topic areas
01
ATP and Respiratory Pathways
5 lessons
ATP and Energy Transfer
Respiration Sites and Mitochondria
Glycolysis
Link Reaction and Krebs Cycle
Oxidative Phosphorylation
02
Oxygen and Adaptations
2 lessons
Anaerobic Respiration and ATP Yield
Rice in Flooded Soil
03
Measuring Respiration
3 lessons
Respiratory Substrates and RQ
Respirometry, Oxygen Uptake and RQ
Yeast Respiration and Redox Indicators
Practise this chapter
02
Photosynthesis
8 lessons · 3 topic areas
01
Light Capture and Chloroplasts
3 lessons
Chloroplasts and Photosynthesis
Photosynthetic Pigments and Spectra
Chromatography of Leaf Pigments
02
Photosynthetic Reactions
2 lessons
Cyclic and Non-cyclic Photophosphorylation
Calvin Cycle and Organic Products
03
Investigating Photosynthesis
3 lessons
Limiting Factors of Photosynthesis
Chloroplast Redox Investigations
Whole-plant Photosynthesis Investigations
Practise this chapter
03
Homeostasis
7 lessons · 4 topic areas
01
Principles of Homeostasis
1 lesson
Homeostasis and Negative Feedback
02
Kidneys and Water Balance
3 lessons
Urea, Kidney Structure and Nephrons
Ultrafiltration and Selective Reabsorption
ADH and Osmoregulation
03
Blood Glucose Regulation
2 lessons
Blood Glucose Regulation and Cell Signalling
Glucose Test Strips and Biosensors
04
Homeostasis in Plants
1 lesson
Guard Cells, Stomatal Movement and ABA
Practise this chapter
04
Control and Coordination
9 lessons · 5 topic areas
01
Coordination Systems
2 lessons
Endocrine and Nervous Coordination
Sensory, Relay and Motor Neurones
02
Nerve Impulses
1 lesson
Nerve Impulses: Voltage and Conduction
03
Receptors and Synapses
2 lessons
Taste Receptors and Sensory Impulses
Cholinergic Synapses
04
Striated Muscle
1 lesson
Striated Muscle: Structure and Contraction
05
Coordination in Plants
3 lessons
The Venus Fly Trap
Auxin and Cell Elongation
Gibberellin and Barley Germination
Practise this chapter
05
Inheritance
12 lessons · 3 topic areas
01
Passage of Information from Parents to Offspring
2 lessons
Meiosis: Chromosomes, Divisions and Evidence
Variation in Sexual Reproduction
02
The Roles of Genes in Determining the Phenotype
8 lessons
Alleles and Single-Gene Crosses
Codominance and Multiple Alleles
Sex-Linked Crosses and Pedigrees
Dihybrid Crosses
Autosomal Linkage
Epistasis
Chi-Squared Tests in Inheritance
Genes, Proteins and Phenotypes
03
Gene Control
2 lessons
The lac Operon
Transcription Factors and Gibberellin
Practise this chapter
06
Selection and Evolution
10 lessons · 3 topic areas
01
Variation
2 lessons
Variation: Causes, Patterns and Inheritance
t-Tests for Two Sample Means
02
Natural and Artificial Selection
6 lessons
Natural Selection: Mechanism and Patterns
Genetic Drift, Founders and Bottlenecks
Selection for Antibiotic Resistance
Hardy–Weinberg Allele and Genotype Frequencies
Artificial Selection in Wheat and Rice
Maize Hybrids and Cattle Breeding
03
Evolution
2 lessons
Evolution and DNA Sequence Evidence
Allopatric and Sympatric Speciation
Practise this chapter
07
Classification, Biodiversity and Conservation
14 lessons · 3 topic areas
01
Classification
4 lessons
Species Concepts
Domains and Eukaryotic Kingdoms
Taxonomic Hierarchy and Binomial Names
Classifying Viral Genomes
02
Biodiversity
5 lessons
Ecosystems, Niches and Biodiversity
Quadrats and Transects: Sampling and Interpretation
Mark–Release–Recapture and the Lincoln Index
Simpson's Index of Diversity
Pearson and Spearman: Choose, Calculate and Interpret
03
Conservation
5 lessons
Extinction Threats and Conservation Reasons
Protected Areas and Captive Breeding
Conservation Collections and Assisted Reproduction
Invasive Alien Species and Control
IUCN and CITES
Practise this chapter
08
Genetic Technology
17 lessons · 3 topic areas
01
Principles of Genetic Technology
8 lessons
Recombinant DNA and Gene Sources
Enzymes and Plasmid Gene Transfer
Promoters and Fluorescent Markers
Targeted Gene Editing
PCR: Reagents, Cycle and Amplification
DNA Gel Electrophoresis
Microarrays: Genome Copies and Gene Expression
Sequence and Protein Structure Databases
02
Genetic Technology in Medicine
5 lessons
Recombinant Human Proteins
Genetic Screening and BRCA Risk
Huntington's and Cystic Fibrosis Screening
Gene Therapy: ADA-SCID and Inherited Eye Disease
Screening and Gene Therapy Decisions
03
GM Organisms in Agriculture
4 lessons
GM Salmon Growth and Containment
Herbicide-Resistant Soybean
Insect-Resistant Bt Cotton
GM Food Production Decisions
Practise this chapter