Subdisciplines of biology are recognised on the basis of the scale at which organisms are examine and the methods used to study them: biochemistry examines the rudimentary chemistry of life; molecular(a) biology studies the complex moveions of systems of biological molecules; prison cellphoneular biology examines the basic building block of all life, the cell; physiology examines the somatic and chemical functions of the tissues, organs, and organ systems of an organism; and ecology examines how various organisms interact and a cell theory Main article: Cell theory Cell theory states that the cell is the fundamental unit of life, and that all living things are unruffled of one or more cells or the secreted products of those cells (e.g. shells). All cells spring from other cells with cell division. In multicellular organisms, every cell in the organisms body derives ultimate! ly from a unity cell in a fertilized egg. The cell is also considered to be the basic unit in many pathological processes.[12] Additionally, the phenomenon of energy flow occurs in cells in processes that are part of the function known as metabolism. Finally, cells contain hereditary information (DNA) which is passed from cell to cell during cell division. ssociate with their environment.[3]If you want to get a beat essay, order it on our website: BestEssayCheap.com
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