Heavy strand

Heavy strand

The DNA in plasmids, circular assemblies of DNA in bacteria and mitochondria, consist of two strands of DNA. These are called the heavy strand (or H-strand) and the light strand (or L-strand) respectively. The two strands have different masses since one will have a higher proportion of heavier nucleic acids and its complement a lower proportion. The strands when separated can be segregated due to this difference.


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  • H strand — H strand. = heavy strand (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

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  • тяжелая цепь [ДНК] — heavy strand, H strand тяжелая цепь [ДНК]. Одна из двух цепей двухцепочечной молекулы нативной ДНК, характеризующаяся более высоким по сравнению с комплементарной цепью содержанием нуклеотидов Т и Г (наличие такой асимметрии свойственно, например …   Молекулярная биология и генетика. Толковый словарь.

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