GCSE Biology (Single Science)
2024 · 156m
Synopsis
Unit 1: Cells, organ systems and ecosystems Unit 2: Variation, homeostasis and micro-organisms Unit 3: Cells Unit 4: Cell biology Unit 5: Biodiversity Unit 6: Genetics Unit 7: Bioenergetics Unit 8: Homeostasis and response Unit 9: Global challenges Unit 10: Practical skills Unit 11: Practical skills Unit 12: Ecosystems and material cycles Unit 13: Practical skills
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Monoclonal antibodies are identical copies of one type of antibody. They are incredibly useful in medicine for diagnosis and treatment of diseases.
Living things are classified using a system developed by Carl Linnaeus. Organisms are commonly named by the binomial system of genus and species.
Health is the state of physical and mental well-being. Factors can work together to both physical and mental health. A disease is a disorder that affects an organism’s body, organs, tissues or cells.
Our genes are inherited from our parents, and the different combinations of these genes make us unique. Genetic inheritance controls the characteristics of all living things.
Reproduction occurs in all organisms. DNA is important, as it allows new proteins to be synthesised. Mutations in the DNA can have serious implications.
Ecologists study the distribution of living organisms in habitats to find out how healthy it is. They use many different sampling methods to provide quantitative data which is then analysed.
The development of drugs is a long, complicated and expensive process. Monoclonal antibodies are identical copies of an antibody. They are used in pregnancy tests and in cancer treatment.
Hormones are vital to enable sexual reproduction in humans. There are a range of hormones that interact to cause puberty in males and females, and to prepare a woman’s reproductive system for pregnancy.
A non-communicable disease is not passed from one organism to another. They are not infectious.
Homeostasis is the regulation of internal conditions inside cells or organisms, to create the optimum conditions for biological function.