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Biology recognizes the cell as the basic unit of life, genes as the basic unit of heredity, and evolution as the engine that propels the creation and extinction of species. Living organisms are open systems that survive by transforming energy and decreasing their local entropy [ 30 ] to maintain a stable and vital condition defined as homeostasis .
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 units of cells. Cell biology encompasses both prokaryotic and eukaryotic cells and has many subtopics which may include the study of cell metabolism , cell communication , cell cycle ...
Different elements can combine to form compounds such as water, which is fundamental to life. [32] Biochemistry is the study of chemical processes within and relating to living organisms . Molecular biology is the branch of biology that seeks to understand the molecular basis of biological activity in and between cells, including molecular ...
The Standard Model is widely considered to be a provisional theory rather than a truly fundamental one, however, since it is not known if it is compatible with Einstein's general relativity. There may be hypothetical elementary particles not described by the Standard Model, such as the graviton , the particle that would carry the gravitational ...
"Love you always brother," Jack Bech, a Texas Christian University standout, wrote on X. "You inspired me (every day) now you get to be with me in every moment. I got this family T, don't worry ...
The cell is the structural and functional unit of life. Smaller organisms, including prokaryotes (bacteria and archaea), consist of small single cells. Larger organisms, mainly eukaryotes, can consist of single cells or may be multicellular with more complex structure. Life is only known to exist on Earth but extraterrestrial life is thought ...
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An osprey’s daring dive and a bald eagle’s relentless pursuit paint a picture of life in the wild. A reminder of the powerful forces at play in our natural world. From Predator To Prey: A ...