BAC TERIAS OXIDANTES DEL AZUFRE Y EL HIERRO
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University
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Angela Alarcon
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Verdadero o Falso
Las bacterias del género Thiobacillus son capaces de oxidar compuestos de azufre e hierro
FALSO
VERDADERO
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Verdadero o Falso
Las bacterias oxidantes del hierro solo pueden vivir en ambientes neutros y alcalinos.
VERDADERO
FALSO
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Verdadero o Falso
El proceso de biooxidación es aprovechado en la minería para la obtención de metales.
VERDADERO
FALSO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es una de las bacterias más conocidas por oxidar hierro ferroso (Fe²⁺) a férrico (Fe³⁺)?
Escherichia coli
Acidithiobacillus ferrooxidans
Pseudomonas aeruginosa
Lactobacillus casei
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
¿Qué tipo de metabolismo presentan las bacterias oxidantes del hierro y azufre?
Heterótrofo
Quimioorganótrofo
Fotoautótrofo
Quimiolitótrofo
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál es el pH óptimo para el desarrollo de Acidithiobacillus ferrooxidans?
7
9
2-3
5-6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué función cumplen estas bacterias en la minería?
Disminuyen la toxicidad del agua
Eliminan compuestos orgánicos
Facilitan la recuperación de metales
Neutralizan el pH del suelo
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