螺形纖絲 的英文怎麼說
中文拼音 [luóxíngxiānsī]
螺形纖絲
英文
spirofibrillae-
Cells only the chromatin or chromosomes are heavily stained, the other components are bleached. after the chromosomes are stained by nama - ur, we have observed that the highest order structure of chromosomes is helical ; while the secondary structure is radically folding. the dna fibres with a diameter of 2530 nm have radically folded into chromatid fibres in a diameter of approximately 250 nm
染色體經dna特異染色后,觀察到其最高層次結構是螺旋的,而次級結構存在著放射環結構,即由直徑為2530 nm的dna纖絲放射狀折疊排列成約250 nm左右的染色單體絲染色單體絲進一步螺旋形成中期染色體結構。
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