Electron micrograph of blood cells clotting.
Cell biology is the study of how living cells work. This includes the structure and function of the cell organelles, and the carbon-based molecules which cells produce. Cell biology is an interdisciplinary subject, and uses ideas from genetics, biochemistry, molecular biology, immunology, and other subjects and techniques.
The most important molecules in cell biology are DNA, RNA and proteins.
The most important structures in the cell are the nucleus and the chromosomes, but there are others. The structure of eukaryotic cells is much more complex than prokaryotic cells. This is because endosymbiosis has occurred: some or all of the eukaryote organelles are former prokaryotes. Examples are mitochondria and plastids.
The most important function of cells is to divide by mitosis or meiosis. Cells in a multicellular organism also specialise in different functions, and the different types may look quite to each other.
- Cytology is mostly about the appearance and structure of cells.
Practical job applications for a degree in Cell Molecular Biology includes the following.
- Bioinformatics & Medical Informatics
- Biomedical Research
- Biotechnology Policy
- Brewery Production
- Clinical Diagnostics
- Colleges and University Teaching
- Crop improvement
- Elementary, Middle and High School Teaching
- Environmental Technician/Consultant
- Food Production and Safety
- Forensic Scientist
- Genetic Engineering
- Government Jobs
- Healthcare Industries
- Health Policies
- Health Law
- Laboratory Technician
- Medical Research
- Medical School
- Medical Technology
- Patent Law
- Patient Care
- Pest control
- Pharmaceutical Science
- Pharmaceutical Sales Representative
- Physician Assistant
- Product Quality and Safety
- Research Assistant
- Research Coordinator
- Research Scientist
- Research Technician
- Science Administration
- Science Education
- Science Journalism
- Science Policy
- Scientific Editing
- Scientific Illustrator
- Scientific Instrumentation Companies
- Scientific Supply Representative
- Technical writing
- Training and outreach in Industry and Government
Images for kids
The generalized structure and molecular components of a cell
Cell division studied using fluorescence to stain specific structures
Czech anatomist Jan Evangelista Purkyně is best known for his 1837 discovery of Purkinje cells.