You need to enable JavaScript to run this app.
Cambridge A Levels - Biology
Cell Structure
The microscope in cell studies
Cells as the basic units of living organisms
Biological Molecules
Testing for biological molecules
Carbohydrates and Lipids
Proteins
Water
Enzymes
Mode of action of enzymes
Factors that affect enzyme action
Cell Membranes and Transport
Fluid mosaic membranes
Movement into and out of cells
The Mitotic Cell Cycle
Replication and division of nuclei and cells
Chromosome behaviour in mitosis
Nucleic Acids and Protein Synthesis
Structure of nucleic acids and replication of DNA
Protein synthesis
Transport in Plants
Structure of transport tissues
Transport mechanisms
Gas Exchange
The gas exchange system
Transport in Mammals
The circulatory system
Transport of oxygen and carbon dioxide
The heart
Infectious Diseases
Infectious diseases
Antibiotics
Immunity
The immune system
Antibodies and vaccination
Energy and Respiration
Energy
Respiration
Photosynthesis
Photosynthesis as an energy transfer process
Investigation of limiting factors
Homeostasis
Homeostasis in mammals
Homeostasis in plants
Control and Coordination
Control and coordination in mammals
Control and coordination in plants
Inheritance
Passage of information from parents to offspring
The roles of genes in determining the phenotype
Gene Control
Gene Control
Selection and Evolution
Variation
Natural and artificial selection
Evolution
Classification, Biodiversity and Conservation
Classification
Biodiversity
Conservation
Genetic Technology
Principles of genetic technology
Genetic technology applied to medicine
Genetically modified organisms in agriculture
Diagnostic Challenge
Assessment 1
Homeostasis
Homeostasis in mammals
Attempt a Quiz
39 Pages
Homeostasis
Chapter 14.1
