fertility factor

fertility factor
фертильности фактор
* * *
фактор фертильности
плазмида, часто встречаемая у E.coli

English-Russian Biotechnology Glossary. . 2007.

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  • Fertility factor — The Fertility factor (also known as F factor or sex factor) is a bacterial DNA sequence that allows a bacterium to produce a sex pilus necessary for conjugation. It contains 20 tra (for transfer ) genes and a number of other genetic sequences… …   Wikipedia

  • fertility factor — See: F factor …   Glossary of Biotechnology

  • Fertility and intelligence — Demographic studies have indicated that in humans, fertility and intelligence tend to be negatively correlated, that is to say, the more intelligent, as measured by IQ, exhibit a lower total fertility rate than the less intelligent. Other… …   Wikipedia

  • Fertility (soil) — Soil fertility is the characteristic of soil that supports abundant plant life. In particular the term is used to describe agricultural and garden soil.Fertile soil has the following properties: *It is rich in nutrients necessary for basic plant… …   Wikipedia

  • factor — 1. One of the contributing causes in any action. 2. One of the components that by multiplication makes up a number or expression. 3. SYN: gene. 4. A vitamin or other essential element. 5. An event, characteristic, or other definable entity that …   Medical dictionary

  • F factor — fertility factor F plasmid …   Medical dictionary

  • F-factor — may refer to: * F factor (conversion factor), a conversion unit used in diagnostic radiology * Fertility factor, a sequence of bacterial DNA …   Wikipedia

  • F factor — The fertility factor, a plasmid that carries the genes for bacterial conjugation and makes its E. coli host cell the gene donor during conjugation …   Dictionary of microbiology

  • F factor — Abbreviation for fertility factor A bacterial plasmid that confers the ability to function as a genetic donor in conjugation. See: Hfr …   Glossary of Biotechnology

  • Total fertility rate — Not to be confused with birth rate. A world map showing countries by fertility rate, 2005 2010 …   Wikipedia

  • Sub-replacement fertility — is a total fertility rate (TFR) that (if sustained) leads to each new generation being less populous than the previous one in a given area. In developed countries sub replacement fertility is any rate below approximately 2.1 children born per… …   Wikipedia

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