Jueguito brontosaurio :) Flashcards

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1
Q

Las cadenas de DNA son

A

Antiparalelas

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2
Q

Un … está compuesto por una base nitrogenada, un grupo fosfato y una pentosa

A

Nucleotido

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3
Q

Citosina y guanina se mantienen unidas por # puentes de hidrógeno

A

3

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4
Q

Los nucleótidos permanecen unidos mediante:

A

Enlace fosfodiester

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5
Q

Una pentosa y una base nitrogenada se unen mediante:

A

Enlace N-glucosídico

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6
Q

V/F la timina forma parte del RNA

A

Falso

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7
Q

La pentosa es:

A

Ribosa

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8
Q

Características de RNAm:

A

Caperuza y cola de poli-adenina

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9
Q

Componente del ribosoma subunidad mayor eucarótico:

A

5 S
5.8S
28 S
49 proteínas

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10
Q

Ácido ribonuleico que transfiere el código genético procedente del ADN

A

RNAm

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11
Q

Características de la replicación:

A
  • Continua y discontinua
  • Conservedora
  • Bidireccional
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12
Q

Ribonucleótidos necesarios para iniciar la replicación

A

PRIMERS

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13
Q

Enzima que rompe y forma enlaces fosfodiéster para corregir el superenrrollamiento:

A

Topoisomerosa

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14
Q

Enzima que evita la formación de puentes de hidrógeno:

A

Proteínas de unión de cadena sencilla

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15
Q

La DNA polimerasa coloca los nucleótidos en sentido …

A

5’ a 3’

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16
Q

Enzima que se encarga de sintetizar un RNAm

A

RNA polimerasa II

17
Q

Enzima que añade la caperuza al RNAm

A
18
Q

Enzima que forma la cola de poli A

A

Poliadenina Polimerasa

Poli A Polimerasa

19
Q

Factor de transcripción que tiene función de helicasa:

A

TF II H