historia Flashcards

1
Q

schleiden

A

vegetales tienen celulas

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2
Q

schwann

A

animales tienen celulas

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3
Q

virchow

A

omnis cellula e cellula

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4
Q

gregor mendel

A
  • experimentos con guisantes
  • factores hereditarios
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5
Q

friedrich miescher

A
  • estudio nucleo de leucocitos
  • aisló sustancia acida-> nucleina: rica e fósforo
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6
Q

Walter flemming

A
  • estudio nucleo
  • observo mitosis
  • estructuras filamentosas: cromatina
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7
Q

sutton

A
  • meiosis: apareamiento de cromosomas
  • uno paterno y otro materno
  • herencia provenía de las protes
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8
Q

levene

A

Ribosa y Desoxirribosa azúcares de los ácidos nucleicos
- ADN acido de los cromosomas
- ESTRUCTURA DE TETRANUCLEOTIDO

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9
Q

griffith

A

-Neumonia: 2 cepas
- R : rugosa
- S : lisa
- PRINCIPIO TRANSFORMANTE

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10
Q

alloway

A
  • demostro lo que hzo Griffith en un tubo de ensayo
  • rompió las celulas S y extrajo una sustancia que transformaba a las celulas R
  • FACTOR TRANSFORMANTE
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11
Q

chargaff

A
  • proporcion de bases complementarias
  • variabilidad entre las especies
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12
Q

hershey y chase

A

el DNa eś el materiał genetico

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13
Q

rosalind franklin

A

cristalogafia del DNA

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14
Q

pauling

A
  • estructura del DNA
  • MODELO DE 3 HELICES
  • gpo fosfato y azucar al interior de la estructura
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15
Q

watson y crick

A
  • doble helice
  • puntes de hidrogeno
  • cadenas antiparalelas
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16
Q

dogma central de la biologia

A

replicacion-> ADN-> transcripcion-> ARN-> traduccion-> proteina

  • hay transcripcion reversa en los retrovirus