
Mane
Authored by Omar Moreno
Health Sciences
1st Grade

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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
1. ¿Cuál es la unidad estructural básica del DNA?
A) Aminoácido
B) Nucleótido
C) Ribosoma
D) Histona
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. ¿Qué base nitrogenada es exclusiva del DNA?
A) Uracilo
B) Adenina
C) Timina
D) Guanina
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. La estructura en doble hélice del DNA fue propuesta por:
A) Watson y Crick
B) Meselson y Stahl
C) Hershey yChase
D) Rosalind Franklin
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
4. ¿Qué tipo de enlace une las bases nitrogenadas en la doble hélice del DNA?
A) Covalente
B) Iónico
C) Puente de Hidrógeno
D) Peptídico
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. La cromatina está compuesta principalmente por:
A) DNA y proteínas histonas
B) RNA y proteínas no histonas
C) Lípidos y proteínas
D) DNA y lípidos
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6 ¿Cuál es la función principal de las histonas?
a) Facilitar la transcripción del DNA
b) Compactar el DNA en la cromatina
c) Catalizar la replicación del DNA
d) Transportar el RNA mensajero
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. ¿Qué estructura del DNA contiene las secuencias regulatorias para la transcripción?
a) Exones
b) Intrones
c) Promotores
d) Telómeros
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