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Biología Molecular > DNA Y RNA > Flashcards

DNA Y RNA Flashcards

1
Q

DNA

A

Ácido desoxirribonucleico

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2
Q

RNA

A

Ácido ribonucleico

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3
Q

Las pirimidinas tienen ___ carbonos

A

6

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4
Q

Las purinas tienes ___ carbonos

A

9

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5
Q

Pirimidinas (3)

A

Citosina, timina, uracilo

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6
Q

Adenina y guanina son

A

Purinas

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7
Q

El DNA lo pueden formar las bases nitrogenadas (4)

A

A, G, T, C

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8
Q

RNA lo pueden formar las bases nitrogenadas (4)

A

A, G, C, U

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9
Q

Los ácidos nucleicos están formados por (3)

A

Base nitrogenada, pentosa, fosfato

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10
Q

A la desoxirribosa le falta un __en su pentosa

A

Oxígeno

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11
Q

Pentosa + base nitrogenada

A

Nucleosido

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12
Q

Pentosa + base nitrogenada + fosfato

A

Nucleotido

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13
Q

Enlace n-glucosidico entre la ____ y la ____

A

Pentosa / base nitrogenada

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14
Q

Enlace de tipo ____ que se da entre el OH del carbono 5’ de la pentosa y el fosfato

A

Ester

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15
Q

Unión nucleotido- nucleotido se da por un enlace de tipo ___

A

Fosfodiester

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16
Q

El DNA presenta cadenas ___

A

Antiparalelas

17
Q

La cadena va de ___ a ___ y la antiparalela es de ___ a ___

A

5’ a 3’ / 3’ a 5’

18
Q

La adenina y timina tienen (#) puentes d e hidrógeno

A

2

19
Q

Las bases nitrogenadas (2) tienen 3 puentes de hidrógeno

A

Citocina y guanina

20
Q

La ley de chargaff nos dice que tenemos la misma concentración de ____ como de ____

A

A y T / C y G

21
Q

Las características de la estructura del DNA son (5)

A 
Nucleotidos
Giro helicoidal
Complementaria 
doble cadena 
Antiparalelas
22
Q

La forma A del DNA es cuando el DNA se encuentra ___

A

Deshidratado

23
Q

La forma B de la cadena de DNA es del DNA ___

A

Cromosómico

Biología Molecular (11 decks)

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