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Overview of signal transduction pathways involved in apoptosis. Cell death is the event of a biological cell ceasing to carry out its functions. This may be the result of the natural process of old cells dying and being replaced by new ones, as in programmed cell death, or may result from factors such as diseases, localized injury, or the death of the organism of which the cells are part.
Apotheosis of Venice (1585) by Paolo Veronese, a ceiling in the Doge's Palace The Apotheosis of Cornelis de Witt, with the Raid on Chatham in the Background.. Apotheosis (from Ancient Greek ἀποθέωσις (apothéōsis), from ἀποθεόω / ἀποθεῶ (apotheóō/apotheô) 'to deify'), also called divinization or deification (from Latin deificatio 'making divine'), is the ...
NASA's 2015 strategy for astrobiology aimed to solve the puzzle of the origin of life – how a fully functioning living system could emerge from non-living components – through research on the prebiotic origin of life's chemicals, both in space and on planets, as well as the functioning of early biomolecules to catalyse reactions and support inheritance.
"All biology is comprised of organic compounds. The origin of life is related to organic chemistry, some of which is preserved in these rocks from 4.5 billion years ago," said astrobiologist and ...
A programmable material that the Transformers are made from. Tritanium: Star Trek: The fictional metal tritanium was referred to in many episodes as an extremely hard alloy used in starship hulls and hand-held tools. Eve Online: A versatile material; the primary material used in the construction of virtually all star ships and star ship components.
The Mechanisms of Apoptosis Archived 2018-03-09 at the Wayback Machine Kimball's Biology Pages. Simple explanation of the mechanisms of apoptosis triggered by internal signals (bcl-2), along the caspase-9, caspase-3 and caspase-7 pathway; and by external signals (FAS and TNF), along the caspase 8 pathway. Accessed 25 March 2007.
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The evolution of biological complexity is one important outcome of the process of evolution. [1] Evolution has produced some remarkably complex organisms – although the actual level of complexity is very hard to define or measure accurately in biology, with properties such as gene content, the number of cell types or morphology all proposed as possible metrics.