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Apuntes del tema A2.2 HL nivel superior

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Apuntes del tema A2.2 HL nivel superior

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A1.1.2 Ácidos nucleícos
30 octubre (SL)-(Libro pearson) 1. Unidad y diversidad-moléculas-pág 6
foto de microscopía electrónica porque se ven los virus, y con los ópticos no se
pueden ver

A1.2.14 hecho directamente en el cuaderno-hershey-chase


6 noviembre (SL)-(Libro pearson) 1. Unidad y diversidad-moléculas-pág 6
✅Datos de Chargaff
Contribuyó a hershey-chersey

Complementaridad de bases (nitrogenadas) → la dedujo Chargaff (lo de
Adenina siempre con Timina o no sé exactamente cual con cual)

Erwin Chargaff analizó mueustras de ADN mediante cromatografía → separó
nucleótidos del ADN

Al medir concentraciones de cada nucleótido mediante cromatografía, de ADN
de CUALQUIER (hongo, proc, euc, animal…) cél. siempre había la misma
cantidad/concentración de adenina que de timina, y la misma cantidad de
guaninas que de citosinas



6 noviembre (SL)-(Libro pearson) 1. Unidad y diversidad-moléculas-pág 5
✅Secuencias de bases de ADN
Direccionalidad del ADN/orden de nucleótidos es importante en una molécula
de ADN, va a determinar qué hace el fragmento de ADN

Extremo 5 prima, es el uno C5 de los nucleótidos que está disponible para
unirse a otro, en el primer nucleótido de la cadena




A1.1.2 Ácidos nucleícos 1

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Bachillerato
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May 19, 2025
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Class notes
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Adolfo
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A1.2 ácidos nucleicos nivel superior
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