13 docs tagged with "Biology"

A-Level Biology notes on Advanced Genetics: epistasis, linkage, chi-squared test, sex linkage, Hardy-Weinberg extended, genetic drift, selection, speciation, phylogenetics.

A-Level Biology notes on Biodiversity, Classification and Evolution: 1. Biodiversity; 1.1 Defining Biodiversity; 1.2 Measuring Species Diversity.

A-Level Biology notes on Biological Molecules: 1. Water; 1.1 Structure and Properties; 1.2 Hydrogen Bonding in Water; 2. Carbohydrates.

A-Level Biology notes on Biotechnology: recombinant DNA technology, PCR, gel electrophoresis, DNA sequencing, genetic engineering, gene therapy, stem cells, CRISPR-Cas9, bioinformatics.

A-Level Biology notes on Cells: 1. Cell Theory and Microscopy for comprehensive revision and examination preparation. and examination p.

A-Level Biology notes on Ecology: 1. Ecosystems; 1.1 Definitions; 1.2 Trophic Levels; 1.3 Ecological Productivity with worked examples and exam-style questions.

A-Level Biology notes on Exchange and Transport: 1. Surface Area to Volume Ratio; 1.1 The Fundamental Constraint; 1.2 Adaptations for Efficient Exchange.

A-Level Biology notes on Genetics and DNA: 1. DNA Structure and Replication; 1.1 The Structure of DNA; 1.2 DNA Replication; 2. Protein Synthesis.

A-Level Biology notes on Homeostasis: principles, negative and positive feedback, blood glucose regulation, temperature regulation, osmoregulation, heart rate regulation, PCO2/pH regulation, diabetes.

A-Level Biology notes on Immunology: innate immunity, adaptive immunity, cell-mediated response, humoral response, antibodies, autoimmune diseases, vaccination, ELISA, monoclonal antibodies.

A-Level Biology notes on the Nervous System: neuron structure, resting and action potentials, synaptic transmission, neurotransmitters, reflex arcs, sensory receptors, muscle contraction, nervous control of heart rate, brain structure, neurodegenerative diseases.

A-Level Biology notes on Photosynthesis: light-dependent reactions, Calvin cycle, limiting factors, CO2 concentration, temperature, light intensity, chloroplast structure, CAM/C4 comparison.

A-Level Biology notes on Respiration: glycolysis, link reaction, Krebs cycle, oxidative phosphorylation, respiratory quotient, anaerobic respiration, respiratory substrates, practical investigations.