Cell biology (sometimes referred to as cellular biology or cytology) is the study of the structure, function, and behavior of cells. Cells are the building blocks of all living things. A cell is the smallest unit of life and is responsible for organisms' survival and function. The study of the structural and functional units of cells is known as cell biology. Cell biology covers both prokaryotic and eukaryotic cells and includes a number of subtopics such as cell metabolism, cell communication, cell cycle, biochemistry, and cell composition. Cells are studied utilizing a variety of microscopy techniques, cell culture, and cell fractionation. These have enabled for, and are currently being utilized for, discoveries and study into how cells work, ultimately leading to greater understanding of bigger species. Understanding the components of cells and how they function is crucial to all biological sciences and is also required for biomedical research in sectors such as cancer and other disorders. Cell biology research is linked to genetics, molecular genetics, molecular biology, medical microbiology, immunology, and cytochemistry, among other topics.
Biophysics is an interdisciplinary science that studies biological phenomena using physics-based approaches and methodologies. Biophysics is concerned with biological organization at all scales, from the molecular to the organismic and population levels. Biochemistry, molecular biology, physical chemistry, physiology, nanotechnology, bioengineering, computational biology, biomechanics, developmental biology, and systems biology all have a lot in common with biophysical research.