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Biology (8876)
5 sections available · 28 chapters available
Free Biology (8876) study notes for GCE A-Level - Higher 1 (H1) students. Each chapter below covers a key topic with worked examples and practice prompts you can take into the thinka app.
Genetics and Inheritance
DNA – structure and function
Central Dogma – DNA to RNA, RNA to protein
Mutations
Replication and division of nuclei and cells
Understanding of chromosome number and variation
Effect of meiosis on chromosome number and variation
The molecular biology of cancer
The passage of information from parents to offspring
The effect of environment on phenotype
Genotypes and phenotypes
Dihybrid crosses
The Cell and Biomolecules of Life
The cell theory
Outline functions of membrane systems and organelles in cells
The structure of a typical bacterial cell
The structures of biomolecules and their functions
The fluid mosaic model of membrane structure
Mode of action of enzymes
Stem cells
Energy
The need for energy in living organisms
Photosynthesis as an energy-trapping process
Respiration as an energy-releasing process
Aerobic respiration
Anaerobic respiration
Biological Evolution
Variation, natural selection and evolution
The biological concept of the species
Impact of Climate Change on Animals and Plants
Human activities that contribute to climate change
Effects of climate change
Viral dengue disease in humans and how global warming affects its spread
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