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chapter 14 vocab
Chapter 14: vocab
| Term | Definition |
|---|---|
| biogenesis | the scientific principle that living organisms come only from other living organisms |
| coacervate | a mass of droplets of colloidal substances such as lipids, amino acids, and sugars, that are held together by electrostatic attraction |
| endosymbiosis | a mutually beneficial relationship in which one organism lives within another; a theory that eukaryotic cells originated through endosymbiotic relationships between ancient prokaryotic cells |
| half-life | the time required for half of a sample of a radioactive isotope to break down by radioactive decay to form a daughter isotope |
| microsphere | a microscopic spherical structure composed of many protein molecules that are organized as a membrane |
| radioactive decay | the disintegration of an unstable atomic nucleus into one or more different nuclides, accompanied by the emission of radiation, the nuclear capture or ejection of electrons, or fission |
| sopntaneous generation | an early and now disproved theory that living organisms come to like spontaneously from nonliving material |
Created by:
campbellm19
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