

Gene expression Spanish
Interactive Video
•
Science
•
9th Grade
•
Practice Problem
•
Hard
Savannah Nino
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué significa “expresar un gen”?
What does it mean to express a gene?
A) Copiar ADN sin producir nada
Copy DNA without producing anything
B) Usar un gen para hacer un producto funcional, usualmente una proteína
Use a gene to make a functional product, usually a protein
C) Eliminar el gen del ADN
Remove the gene from DNA
D) Hacer que un gen se vuelva más largo
Make a gene longer
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Por qué no se expresan todos los genes en todas las células?
Why aren’t all genes expressed in every cell?
Cells don’t have DNA
Las células no tienen ADN
It would be wasteful; each cell has specific functionsSería un desperdicio; cada célula tiene funciones específicas
Genes disappear
Los genes desaparecen
Proteins can never form
Las proteínas nunca pueden formarse
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EN: Why can transcription and translation happen almost simultaneously in prokaryotes?
ES: ¿Por qué la transcripción y traducción pueden ocurrir casi al mismo tiempo en procariotas?
A) EN: Because the cell is larger
ES: Porque la célula es más grande
B) EN: Because they do not have a nucleus
ES: Porque no tienen núcleo
C) EN: Because the DNA is very small
ES: Porque el ADN es muy pequeño
D) EN: Because they lack ribosomes
ES: Porque no tienen ribosomas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EN: What do transcription factors do?
ES: ¿Qué hacen los factores de transcripción?
A) EN: Break DNA
ES: Rompen el ADN
B) EN: Increase or decrease transcription
ES: Aumentan o disminuyen la transcripción
C) EN: Make glucose
ES: Fabrican glucosa
D) EN: Delete ribosomes
ES: Eliminan ribosomas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EN: What happens when the lac operon repressor is bound to the operator?
ES: ¿Qué sucede cuando el represor del operón lac está unido al operador?
A) EN: Transcription occurs normally
ES: La transcripción ocurre normalmente
B) EN: RNA polymerase cannot transcribe the genes
ES: La ARN polimerasa no puede transcribir los genes
C) EN: More lactose is produced
ES: Se produce más lactosa
D) EN: The bacteria dies
ES: La bacteria muere
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EN: What causes the repressor to move and allow transcription?
ES: ¿Qué hace que el represor se mueva y permita la transcripción?
A) EN: Presence of glucose
ES: Presencia de glucosa
B) EN: A form of lactose binds to the repressor
ES: Una forma de lactosa se une al represor
C) EN: Lack of oxygen
ES: Falta de oxígeno
D) EN: Ribosomal proteins
ES: Proteínas ribosomales
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
EN: What is the effect of highly methylated DNA?
ES: ¿Qué efecto tiene un ADN fuertemente metilado?
Options / Opciones:
A) EN: Increases transcription
ES: Aumenta la transcripción
B) EN: Allows more transcription factors to bind
ES: Permite que más factores de transcripción se unan
C) EN: Blocks transcription
ES: Bloquea la transcripción
D) EN: Forces DNA to leave the nucleus
ES: Hace que el ADN salga del núcleo
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