atlas de biologia molecular
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ATLAS DE BIOLOGIA MOLECULAR
GUADALUPE MONSERRAT AMBROSIO GALLEGOS
ESTRUCTURA Y COMPOSICION QUIMICA DEL DNA
DRA. CAROLINA BARRIENTOS
UNIVERSIDAD VERACRUZANA
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UNIDAD ESTRUCTURALNucleotido
El nucleótido en el ADN consiste en un azúcar (desoxiribosa), una de cuatro bases (citosina (C), timina (T), adenina (A), guanina (G)), y fosfato.
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Con un solo anillo
de seis átomos
Con dos anillos, uno de cinco y
otro de seis átomos
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ESTRUCTURA DEL RNA Y TIPOS DE RNA
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ESTRUCTURA PRIMARIA DNA
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ESTRUCTURA SECUNDARIADEL DNA
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TIPOS DE DNA
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NUCLEOSOMA
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HISTONAS
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SOLENOIDE
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COLLAR DE PERLAS
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FRIBRA DE CROMATINA
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NIVELES ESTRUCTURALES