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单词 染色质
释义 DEFINITIVE EXAMPLES 权威例句〔achromatic〕Biology Difficult to stain with standard dyes. Used in reference to cells or tissues.【生物学】 非染色质的:用标准染料难于染色的。用于指细胞或组织美国传统〔achromatin〕The part of a cell nucleus that remains less colored than the rest of the nucleus when stained or dyed.非染色质:在染色时,细胞核中比核其它部分染色少的部分美国传统〔band〕Biology A chromatically, structurally, or functionally differentiated strip or stripe in or on an organism.【生物学】 群;组:生物体内或生物体上在染色质、结构或功能上不同的群美国传统〔basichromatic〕Easily stained with basic dye.碱性染色质的:容易为碱性染料着色的美国传统〔chromatin〕A complex of nucleic acids and proteins in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division.染色质,核染质:细胞核中由核酸与蛋白质组成的核酸复合物,容易被基本染料染色, 在细胞分裂期会浓缩而形成染色体美国传统〔chromatolysis〕The dissolution or disintegration of chromophil material, such as chromatin, within a cell.染色质溶解:染色物质的溶解或分解,如细胞中的染色质美国传统〔chromomere〕One of the serially aligned beadlike granules of concentrated chromatin that constitutes a chromosome during the early phases of cell division.染色粒:在细胞分裂早期,一条顺序排列的珠状染色质颗粒链构成了染色体美国传统〔condense〕The chromatin fibers begin to condense into clumps.染色质纤维开始聚成团块。外研社新世纪〔euchromatin〕Chromosomal material that is genetically active and stains lightly with basic dyes.常染色质:具有遗传活性并被碱性染料略为染色的染色质美国传统〔heterochromatic〕Of or relating to heterochromatin.异染质的:异染色质的或与之相关的美国传统〔heterochromatin〕Tightly coiled chromosomal material that stains deeply during interphase and is believed to be genetically inactive.异染色质:紧紧盘绕在一起的染色体物质,在分裂期间染色,据信在基因中并不活跃美国传统〔heterochromosome〕A chromosome composed primarily of heterochromatin.异染色体:主要由异染色质组成的染色体美国传统〔histone〕Any of several small, basic proteins most commonly found in association with the DNA in chromatin.组织蛋白:几种分子量小的碱性蛋白质,总与DNA一起发现于染色质中美国传统〔linin〕The filamentous, achromatic material in the nucleus of a cell that interconnects chromatin granules.核丝:细胞核中丝状非染色质,起着联系染色质颗粒的作用美国传统〔nucleosome〕Any of the repeating subunits of chromatin, consisting of a DNA chain coiled around a core of histones.核小体:染色质反复的从属单位,由盘绕在组蛋白核的脱氧核糖核酸链条构成美国传统〔spindle fiber〕One of a network of achromatic filaments that extend inward from the poles of a dividing cell, forming a spindle-shaped figure.纺锤丝:从正在分裂的细胞的两极向内延伸的非染色质细丝网,构成纺缍形状美国传统〔spindle〕Biology The spindle-shaped achromatic structure, composed of microtubules, along which the chromosomes are distributed in mitosis and meiosis.【生物学】 纺锤体:一种由丝状因子组成的纺锤形的非染色质结构,在有丝分裂及减数分裂时染色体就沿其排列美国传统〔spireme〕The tangle of filaments that appears at the beginning of the prophase portion of meiosis or mitosis.染色质缠绕:减数分裂或有丝分裂前期开始时出现的细丝缠绕美国传统〔synizesis〕Biology The phase of meiosis in some species in which the chromatin contracts into a mass at one side of the nucleus.【生物学】 合质期:某些物种成熟分裂的一个阶段,此时染色质在细胞核的一侧收缩为一块美国传统
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