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Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. [1] [2] All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. [3] Cell biology is the study of the structural and functional ...
The cell on the left is going through mitosis and its chromosomes have condensed. Cell nucleus: A cell's information center, the cell nucleus is the most conspicuous organelle found in a eukaryotic cell. It houses the cell's chromosomes, and is the place where almost all DNA replication and RNA synthesis (transcription) occur.
Light micrograph of a moss's leaf cells at 400X magnification. The following outline is provided as an overview of and topical guide to cell biology: . Cell biology – A branch of biology that includes study of cells regarding their physiological properties, structure, and function; the organelles they contain; interactions with their environment; and their life cycle, division, and death.
Cytopathology is frequently, less precisely, called "cytology", which means "the study of cells". [ 2 ] Cytopathology is commonly used to investigate diseases involving a wide range of body sites, often to aid in the diagnosis of cancer but also in the diagnosis of some infectious diseases and other inflammatory conditions. [ 3 ]
The cell cycle is a series of events that take place in a cell that cause it to divide into two daughter cells. These events include the duplication of its DNA and some of its organelles, and the subsequent partitioning of its cytoplasm into two daughter cells in a process called cell division. [58]
Cell biology – Branch of biology that studies cells – study of the different structures and functions of both eukaryote and prokaryote cells. Cetology – The study of whales, dolphins, porpoises, and other cetaceans – study of whales and dolphins.
This is thanks to an enzyme called phosphodiesterase type 5 (PDE5). ... attacks in people affected by the phenomenon was confirmed in a small study. Participants started off on 100 milligrams of ...
The study of tissues is known as histology or, ... The entire surface of the plant consists of a single layer of cells called epidermis or surface tissue. The entire ...