SAT2生物专业词汇F.

　　下面为大家整理的是SAT2生物专业词汇中以字母F开头的词汇，不是很多，包括了详细的应用解析和汉语含义介绍。大家在备考自己的SAT生物考试的时候，一定会对词汇多做准备，下面就和澳际小编一起来看看详细内容吧。

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　　F₁ generation

　　The first generation of offspring from a cross between two varieties or individuals. In Mendel’s experiments, all the F1 offspring were heterozygous hybrids with a dominant phenotype.

　　F₂ generation

　　The second generation of offspring in a breeding experiment; the offspring from a mating between two F1 hybrids. In Mendel’s monohybrid experiments, the ratio of dominant to recessive phenotypes in the F2 generation was 3:1.

　　facilitated diffusion(促进扩散)

　　Diffusion of molecules that cannot pass through the cell membrane independently, but rather through permeable protein channels embedded in the membrane. Facilitated diffusion does not require outside energy.

　　FADH2 (蛋白结合性载体)

　　A molecule that stores energy for harvest by the electron transport chain.

　　Fallopian tube(输卵管)

　　Duct that connects the ovaries with the uterus; the passage through which the ovulated egg travels from the ovaries to the uterus.

　　Fermentation(发酵)

　　The second stage of anaerobic respiration, which produces the NAD+ necessary for glycolysis. There are two types of fermentation: alcoholic fermentation and lactic acid fermentation. Yeast engage in alcoholic fermentation, while muscle cells lacking oxygen produce lactic acid.

　　Fetus(胎儿)

　　The name given to an embryo after it has developed organs.

　　Flagellum(鞭毛)

　　A whiplike structure projecting from the surface of some cells and single-celled organisms; coordinated waving of the flagellum allows the organism to swim. Prokaryotic flagella are made of a single helical chain of flagellin proteins; eukaryotic flagella are made of multiple chains of microtubule proteins.

　　fluid-mosaic model(流动镶嵌模型)

　　Theory describing the cell membrane as a dynamic structure with proteins floating, yet partially embedded, in a sea of phospholipids.

　　food chain(食物链)

　　A linear relationship of predators and prey.

　　food web(食物网)

　　Many connected food chains that exhibit the relationships of all predators to all prey constitute a food web.

　　fossil record(化石记录)

　　The grouping of fossilized remains according to relative and absolute age.

　　以上就是关于SAT2生物专业词汇中以字母F开头的全部内容，非常详细。由于SAT2生物考试题型的特点，大家记忆这些SAT2生物词汇的时候，大部分都只需要记忆词形和含义，这样就减轻了很多的负担。

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