Your question is incomplete but I am providing you the answer based on the portion that is mentioned.

Cell biology (also cell biology or cytology) is a branch of biology that studies the structure and function of the cell, also known as the basic unit of life. Cell biology encompasses both prokaryotic and eukaryotic cells and can be divided into many subtopics that may include the study of cell metabolism, cell communication, the cell cycle, biochemistry, and cell composition. The study of cells is carried out using various techniques such as cell culture, various types of microscopy and cell fractionation. These have enabled and are currently being used for discoveries and research related to the functioning of cells, ultimately giving insight into how to understand larger organisms. Knowing the components of cells and how cells work is fundamental to all biological sciences and at the same time fundamental to research in biomedical fields such as cancer and other diseases. Research in cell biology is interconnected with other fields such as genetics, molecular genetics, biochemistry, molecular biology, medical microbiology, immunology, and cytochemistry.

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Hi student,

I think your question is incomplete as you have written 'and' and nothing is written after that. By the way, cells in biology are the building blocks of complex organs. They are basic membrane-bound unit that contains the fundamental molecules of life and of which all living things are composed.

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