| 单词 | 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〔amyloplast〕A colorless plastid that forms starch granules and occurs in cells of plant storage tissue.造粉质体：形成淀粉颗粒的无色质体，存在于植物贮藏组织细胞内美国传统〔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〔litmus test〕A test for chemical acidity or basicity using litmus paper.石蕊色质测试：用石蕊试纸对化学酸、碱性所作的测试美国传统〔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〔pigment〕Dry coloring matter, usually an insoluble powder to be mixed with water, oil, or another base to produce paint and similar products.色质：干的着色物质，通常是一种可与水、油或其他固定剂混合的粉末，可制成漆和类似的产品美国传统〔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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