Fields
Biology
Cells, genetics, metabolism, evolution, and ecology — how life copies information and spends energy.
Topics
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The cell
Prokaryotes vs eukaryotes, organelles, membranes.
Genetics and molecular biology
DNA, transcription/translation, Mendel, meiosis.
Metabolism
Photosynthesis, respiration, ATP, enzymes.
Evolution and ecology
Natural selection, phylogeny, trophic levels, cycles.
Human physiology basics
Homeostasis, circulation, nerves, immunity.
Plants and development
Plant tissues, hormones, developmental stages.
Immunity and microbes
Pathogens, innate and adaptive immunity, antibiotics and vaccines.
Nervous and endocrine systems
Neurons, synapses, hormones, and homeostasis — fast electrical and slower chemical signals.
Molecular lab sketch
Restriction enzymes, electrophoresis, PCR, and sequencing — a short principle sketch.
Population ecology
Exponential and logistic growth, carrying capacity, life history, predator–prey sketch.