
boletín 3 gb 2022-II Repaso 1

Quiz
•
Biology
•
1st - 3rd Grade
•
Hard
Ronald Sanchez
Used 17+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La ceramida se encuentra constituida por:
Esfingosina + ácido graso
Esfingosina + fosfato
Fosfato + ácido graso
Fosfato + ácido nucleico
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Los nucleótidos están constituidos por:
Fosfato + pentosa + base nitrogenada
Fosfato + esfingosina + base nitrogenada
Nucleósido + pentosa
Nucleósido + pentosa + acido graso
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EL ribosoma esta constituido por el:
ADN
ARNm
ARNt
ARNr
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es la base nitrogenada que solo se encuentra en el ADN?:
Timina
Uracilo
Adenina
Guanina
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Complete el siguiente enunciado: “Los……………………….son macromoléculas orgánicas de elevado peso molecular, constituidos por secuencias de………………………”
Polisacáridos/aminoácidos
Ácidos nucleicos/monosacáridos
Ácidos nucleicos/nucleótidos
Ácidos nucleicos/polisacaridos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
En el proceso de replicación del ADN, la enzima responsable de romper enlaces puentes de hidrogeno, separando las hebras, para formar la horquilla de replicación es:
Helicasa
Topoisomerasa
ADN polimerasa
ARN primasa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleccione la alternativa donde se encuentren únicamente ejemplos de enzimas que participan en la replicación del ADN:
Ligasa, helicasa, topoisomerasa.
Amilasa, helicasa, topoisomerasa
Helicasa, catalasa, ligasa
Topoisomerasa, amilasa, catalasa
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