Biología Celular Y Molecular 2

Quiz
•
Education
•
2nd Grade
•
Hard
Jesus CF
Used 60+ times
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Las células eucariotas presentan núcleo
Verdadero
Falso
Answer explanation
Las células eucariotas poseen la cromatina (con el ADN) englobada por una doble membrana, denominada envuelta nuclear, formando una estructura denomina núcleo.
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La membrana plasmática separa el medio interno celular del externo
Verdadero
Falso
Answer explanation
Es verdadero. También se le suele denominar plasmalema
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
El citoplasma esta formado por los orgánulos celulares, el citosol y el núcleo.
Verdadero
Falso
Answer explanation
Es falso. El citoplasma constituye todo el interior celular menos el núcleo, es decir, orgánulos más citosol.
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Un ejemplo de mucopolisacárido (glucosaminoglicano) de importancia biológica es:
Glucógeno
Celulosa
Heparina
Plasmalógeno
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿Cuál aseveración respecto a la estructura del glucógeno es correcta?
Hay enlace β 1,4
Hay enlace α 1.2
Es una molécula no ramificada
Se ramifica cada 6 glucosas
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La formación de un enlace disulfuro entre cadenas polipeptídicas es un ejemplo de estructura:
Primaria
Secundaria
Terciaria
Cuaternaria
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Es la reacción neta de la glucólisis aeróbica:
Glucosa + 2ADP + 2Pi + 3NAD → 2 piruvato + 2ATP + 3 NADH + 3H + 2H2O
Glucosa + 2ADP + 2Pi + 2NAD → 2 lactato + 2ATP + 2 NADH + 2H + 2H2O
Glucosa + 2ADP + 2Pi + 2NAD → 2 piruvato + 2ATP + 2 NADH + 2H + 2H2O
Glucosa + 2ADP + 2Pi + 3NAD → 2 lactato + 2ATP + 3 NADH + 3H + 2H2O
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