Preparcial- Corte 1
Authored by Paula Pinzón
Biology
University - Professional Development
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31 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Las etapas de la fase M se desarrollan en el siguiente orden: Profase, anafase, telofase, metafase y citocinesis
Falso
Verdadero
Answer explanation
Recuerden que es por mnemotecnia:
PRO fase
MET atafase
ANA FASE
TEL ofase
PROMETo a ANA TELefonear
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enzima que sintetiza el primer o cebador de ARN
ARN Primasa
ADN Polimerasa III
Helicasa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En procariotas, holoenzimas que sintetiza la hebra nueva de ADN continúa a partir del primer en sentido 5´-3'.
ARN Primasa
ADN Polimerasa III
Helicasa
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Enzima cuya función es la de romper los puentes de hidrógeno que une a las bases nitrogenadas, generando la burbuja de replicación
ADN Polimerasa III
ADN primasa
Helicasa
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La replicación en eucariotas se realiza en diferentes orígenes de replicación al mismo tiempo, debido a lo extensa que es la secuencia de nucleótidos.
True
False
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En la acción de la girasa de tipo I, se cortan transitoriamente las dos hebras de ADN, se deja pasar otra doble hebra continua por la brecha abierta y luego se resellan los cortes
False
True
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En Eucariotas, la ADN polimerasa δ realiza el reemplazo de ARN con ADN
False
True
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