Lynn Margulis/Related Articles
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Lynn Margulis: (1938) An American biologist whose work on the origin of eukaryotic organelles led to general acceptance of the endosymbiotic theory; also a leading proponent of the Gaia hypothesis. [e]
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Parent topics
- Biology [r]: The science of life — of complex, self-organizing, information-processing systems living in the past, present or future. [e]
- Cell (biology) [r]: The basic unit of life, consisting of biochemical networks enclosed by a membrane. [e]
Subtopics
- Endosymbiotic theory [r]: Theory on the origins of mitochondria and plastids (e.g. chloroplasts), which are organelles of eukaryotic cells. [e]
- Gaia hypothesis [r]: Proposed by James Lovelock in 1965, he describes how life on Earth responds to changes in abiotic conditions to maintain an environmental stasis. [e]
- Carl Sagan [r]: Add brief definition or description
- Dorian Sagan [r]: Add brief definition or description
- Evolution of cells [r]: The birth of cells marked the passage from pre-biotic chemistry to partitioned units resembling modern cells. [e]
- James Lovelock [r]: (1919) An independent scientist, author, researcher, environmentalist, and futurist. He is known for proposing the Gaia hypothesis, in which he postulates that the Earth functions as a kind of superorganism. [e]
- Konstantin Mereschkowski [r]: (1855-1921), A Russian biologist whose research on lichens led him to propose the theory of symbiogenesis - that larger, more complex cells evolved from the symbiotic relationship between less complex ones. [e]
- Ivan Wallin [r]: (1883-1969), An American biologist, the first to propose that chloroplasts and mitochondria originated as symbiotic bacteria. [e]
- Organelle [r]: Specialized subunit within a cell that has a specific function, and is usually separately enclosed within its own lipid membrane, found in all eukaryotic cells. [e]
- Chloroplast [r]: The green organelles found in many higher plant cells and protists. Internal thylakoid membranes contain chlorophyll where photosynthesis takes place. [e]
- Mitochondrion [r]: Structure, function, life cycle and evolutionary theories involving the origins and role of the mitochondrion. [e]
- Bacteria [r]: A major group of single-celled microorganisms. [e]
- Binary fission [r]: A form of asexual reproduction and cell division used by all prokaryotes and some organelles within eukaryotic organisms. [e]
- Ribosome [r]: A supramolecular structure in cells made from proteins and RNA; it is the machine that translates the genetic code and synthesizes amino acids into the correct protein sequence. [e]
- Phylogenetic [r]: Add brief definition or description
- DNA [r]: A macromolecule — chemically, a nucleic acid — that stores genetic information. [e]
- Horizontal gene transfer [r]: Transfer of genetic material to a being other than one of the donor's offspring. [e]
- Protist [r]: A unicellular organism grouped into the kingdom Protista that may have characteristics of plants and/or animals. [e]
- Algae [r]: A diverse group of simple, typically photosynthetic organisms, ranging from unicellular to multicellular forms; the largest and most complex marine forms are called seaweeds. [e]
- Symbiosis [r]: The interdependence of organisms belonging to different species. [e]
- Endosymbiosis [r]: Add brief definition or description