EL NÚCLEO CELULAR
Quiz
•
Biology
•
8th Grade
•
Medium
Luis Roberto Restrepo Jaramillo
Used 4+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
¿Cuál es la estructura principal compuesta por una bicapa con poros, que envuelve, cubre, protege, selecciona, propia del núcleo celular?
Pared celular
Membrana nuclear
Mitocondria
Retículo endoplasmático
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Dentro de la estructura que posee el cromosoma están los nucleótidos, los cuales se conforman de ácido fosfórico, desoxirribosa y las bases nitrogenadas. De este último componente, base nitrogenada, la que es exclusiva del ADN se denomina:
Timina
Guanina
Citocina
Adenina
3.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
La estructura del ADN se compone de 4 bases nitrogenadas complementarias, que se agrupan así:
A-C y G-T
C-T y A-G
A-T y C-G
T-G y C-A
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
La estructura química compuesta de base nitrogenada, azúcar y grupo fosfato se denomina como:
Nucleótido
Nucleósido
ADN
ARN
5.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
La Pentosa o azúcar de cinco carbonos presente en el ADN y en el ARN respectivamente es:
Ribosa y Morena
Desoxirribosa y Blanca
Desoxirribosa y Ribosa
Todas las anteriores
6.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Dentro del núcleo celular de las células eucariotas se encuentra una sustancia llamada
Nucleolo
Membrana nuclear
Cromatina
Poros nucleares
7.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
¿Cuáles son las bases nitrogenadas que forman los nucleótidos en espiral retorcido de la estructura del ADN?
Adenina, timina, citosina y guanina
Adenina, timina, citosina y adenina
Timina, uracilo, citosina y guanina
Adenina, uracilo, citosina y guanina
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