Additional lessons
📖 Lessons in this unit — choose a lesson
Lesson 13.7.2 Barriers to Pathogens: Skin and Mucous Membranes4 pointsLesson 23.7.3 Blood Clotting4 pointsLesson 33.7.4 The Immune System4 pointsLesson 43.7.5 White Blood Cells4 pointsLesson 53.7.6 Adaptive Immune Response4 pointsLesson 63.7.7 HIV and AIDS4 pointsLesson 73.7.8 Antibiotics5 pointsLesson 83.7.9 Antibiotic Resistance5 pointsLesson 93.7.12 Evaluating COVID-19 Data- Skills5 pointsLesson 103.8.1 Populations in Ecosystems5 pointsLesson 113.8.2 Estimating Population Size5 pointsLesson 123.8.3 Limiting Population Size5 pointsLesson 133.8.4 Limiting Population Size: Examples5 pointsLesson 143.8.5 Population Growth Curves: Skills5 pointsLesson 153.8.6 Populations: Intraspecific Relationships5 pointsLesson 163.8.7 Community: Interspecific Relationships5 pointsLesson 173.8.8 Interspecific Competition5 pointsLesson 183.8.9 Chi-Squared Test: Skills5 pointsLesson 193.9.1 Ecosystems as Open Systems5 pointsLesson 203.9.2 Energy Flow in Ecosystems5 pointsLesson 213.9.3 Obtaining Carbon Compounds in Ecosystems5 pointsLesson 223.9.4 Trophic Levels5 pointsLesson 233.9.5 Pyramids of Energy: Skills5 pointsLesson 243.9.6 Energy Losses5 pointsLesson 253.9.7 Primary and Secondary Production5 pointsLesson 263.9.8 The Carbon Cycle5 pointsLesson 273.9.9 Nutrient Cycling5 pointsLesson 284.1.2 Electrophoresis and PCR5 pointsLesson 294.1.3 Electrophoresis and PCR: Applications4 pointsLesson 304.2.1 Transcription in Protein Synthesis5 pointsLesson 314.2.2 Translation in Protein Synthesis5 pointsLesson 324.2.3 The Genetic Code5 pointsLesson 334.2.4 Protein Structure and Mutations5 pointsLesson 344.2.5 Mechanism of Transcription5 pointsLesson 354.2.6 Post-Transcriptional Modification5 pointsLesson 364.2.7 Translation and the Proteome5 pointsLesson 374.3.1 Gene Mutations5 pointsLesson 384.3.2 Consequences of Gene Mutations5 pointsLesson 394.3.3 Mutations and Genetic Variation6 pointsLesson 404.3.5 Conserved Sequences6 pointsLesson 414.4.1 Cell Division6 pointsLesson 424.4.3 Mitosis4 pointsLesson 434.4.4 Mitosis- Skills6 pointsLesson 444.4.5 Meiosis6 pointsLesson 454.4.6 Cell Cycle5 pointsLesson 464.4.7 Uncontrolled Cell Division and Tumour Formation5 pointsLesson 474.4.8 Mitotic Index- Skills6 pointsLesson 484.5.2 Regulating Transcription and Translation5 pointsLesson 494.5.3 Environment and Gene Expression5 pointsLesson 504.5.4 Environment and Gene Expression- Examples5 pointsLesson 514.6.1 Osmosis5 pointsLesson 524.6.2 Osmosis in Cells5 pointsLesson 534.6.3 Osmosis- Skills6 pointsLesson 544.6.5 Water Movement in Plant Tissue6 pointsLesson 554.7.1 Sexual and Asexual Reproduction5 pointsLesson 564.7.2 Sexual Reproduction5 pointsLesson 574.7.3 The Menstrual Cycle5 pointsLesson 584.7.4 Fertilisation5 pointsLesson 594.7.5 Plant Reproduction5 pointsLesson 604.7.6 Pollination5 pointsLesson 614.7.7 Seed Dispersal and Germination5 pointsLesson 624.7.8 Hormones and Puberty5 pointsLesson 634.7.9 Gametogenesis5 pointsLesson 644.7.10 Fertilisation and Implantation5 pointsLesson 654.7.11 Hormones in Pregnancy5 pointsLesson 664.7.12 The Placenta5 pointsLesson 674.7.13 Hormone Replacement Therapy5 pointsLesson 684.8.1 Genetic Inheritance and Genetic Crossing6 pointsLesson 694.8.2 Inheritance: Terminology5 pointsLesson 704.8.3 Inheriting Alleles5 pointsLesson 714.8.4 Sex Determination5 pointsLesson 724.8.5 Pedigree Charts5 pointsLesson 734.8.6 Continuous Variation: Skills5 pointsLesson 744.8.7 Dihybrid Crosses and Unlinked Genes5 pointsLesson 754.8.8 Statistical Analysis of Dihybrid Crosses5 pointsLesson 764.8.9 Genes and Polypeptides: Skills5 pointsLesson 774.8.10 Gene Linkage5 pointsLesson 784.8.11 Identifying Recombinants5 pointsLesson 794.9.1 Homeostasis: Maintaining the Internal Environment4 pointsLesson 804.9.2 Regulation of Blood Glucose4 pointsLesson 814.9.3 Thermoregulation4 pointsLesson 824.9.4 Osmoregulation and Excretion4 pointsLesson 834.9.5 Production of Urine5 pointsLesson 844.9.6 Changes in Blood Supply to Organs5 pointsLesson 854.10.2 Selection Pressures5 pointsLesson 864.10.3 Selection Pressures: Skills5 pointsLesson 874.10.4 Gene Pools5 pointsLesson 884.10.5 Allele Frequencies: Skills5 pointsLesson 894.10.6 Types of Natural Selection5 pointsLesson 904.10.7 Hardy-Weinberg Principle5 pointsLesson 914.10.8 Artificial Selection5 pointsLesson 924.11.1 Stability in Ecosystems5 pointsLesson 934.11.2 Ecosystem Stability: Skills5 pointsLesson 944.11.3 Keystone Species5 pointsLesson 954.11.4 Sustainability in Ecosystems and Agriculture5 pointsLesson 964.11.5 Eutrophication5 pointsLesson 974.11.6 The Effects of Pollution5 pointsLesson 984.11.7 Restoring Ecosystems5 pointsLesson 994.11.8 Ecological Succession5 pointsLesson 1004.11.9 Human Influence on Succession5 pointsLesson 1014.12.3 Carbon Sequestration5 points