A-Level Biology (OCR A)
Complete OCR A-Level Biology A (H420) course covering cell structure, biological molecules, nucleic acids and enzymes, membranes and cell division, exchange and transport, communicable diseases and immunity, biodiversity and evolution, communication and excretion, neuronal and hormonal communication, photosynthesis and respiration, genetics, and biotechnology and ecosystems.
A-Level Biology — Cell Structure and Microscopy (OCR)
Covers types of microscopy, magnification and resolution, ultrastructure of eukaryotic cells, prokaryotic cells, and the cytoskeleton for OCR A-Level Biology A.
A-Level Biology — Biological Molecules (OCR)
Covers water, carbohydrates, lipids, proteins, inorganic ions, and biochemical tests for OCR A-Level Biology A.
A-Level Biology — Nucleic Acids and Enzymes (OCR)
Covers DNA and RNA structure, DNA replication, the genetic code, transcription, translation, ATP, and enzyme action, cofactors and inhibitors for OCR A-Level Biology A.
A-Level Biology — Membranes, Cell Division and Cellular Organisation (OCR)
Covers the fluid mosaic model, transport across membranes, water potential, cell signalling, the cell cycle, mitosis, meiosis, cell specialisation, stem cells, and tissue organisation for OCR A-Level Biology A.
A-Level Biology — Exchange and Transport (OCR)
Covers exchange surfaces, mammalian gas exchange, gas exchange in insects and fish, transport in animals, the heart, haemoglobin, and transport in plants for OCR A-Level Biology A.
A-Level Biology — Communicable Diseases and Immunity (OCR)
Covers types of pathogen, named plant and animal diseases, transmission, plant defences, primary and specific immune responses, antibodies, vaccination, and antibiotic resistance for OCR A-Level Biology A.
A-Level Biology — Biodiversity, Classification and Evolution (OCR)
Covers biodiversity, sampling, Simpson's Index, conservation, classification, the Three Domain system, phylogeny, evidence for evolution, variation, natural selection, and speciation for OCR A-Level Biology A.
A-Level Biology — Communication, Homeostasis and Excretion (OCR)
Covers communication and homeostasis principles, thermoregulation, the liver, the kidney, ultrafiltration, selective reabsorption, osmoregulation, and kidney failure for OCR A-Level Biology A.
A-Level Biology — Neuronal and Hormonal Communication (OCR)
Covers neurones, action potentials, synapses, hormonal communication, blood glucose control, plant and animal responses, and skeletal muscle contraction for OCR A-Level Biology A.
A-Level Biology — Photosynthesis and Respiration (OCR)
Covers chloroplast structure, the light-dependent and light-independent stages of photosynthesis, mitochondrial structure, glycolysis, the link reaction, the Krebs cycle, oxidative phosphorylation, and anaerobic respiration for OCR A-Level Biology A.
A-Level Biology — Genetics, Cellular Control and Inheritance (OCR)
Covers gene mutations, regulation of gene expression, the lac operon, homeobox genes, monogenic and dihybrid inheritance, sex linkage, epistasis, the chi-squared test, Hardy-Weinberg, and speciation for OCR A-Level Biology A.
A-Level Biology — Manipulating Genomes, Cloning, Biotechnology and Ecosystems (OCR)
Covers DNA profiling, sequencing, genetic engineering, cloning, biotechnology, microorganisms, ecosystems, nutrient cycles, succession, populations and conservation for OCR A-Level Biology A.
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